STONES & FOSSILS

SLOVENSKO BOSANSKI/HRVATSKI/SRBSKI ENGLISH ITALIANO DEUTSCH

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Fosili Amoniti Fosiliziran-okamnel-les
Fosili Amoniti Fosilizirano-okamenjeno-drvo
Fossils Ammonites Petrified-wood
Fossili Ammoniti Legno-pietrificato
Fossilien Ammoniten Versteinertes-Holz

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Polirani Kamni Minerali
Polirano Kamenje Minerali
Polished Stones Minerals
Lucidate Pietre Minerali
Poliert Steinmineralien

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Zbirateljski Kamni Minerali Fosili
Kolekcionarno Kamenje Minerali Fosili
Collectable Stones Minerals Fossils
Collezionismo Pietre Minerali Fossili
Sammlersteine Mineralien Fossilien

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Poldragi Kamni Minerali v naravni obliki
Poludrago Kamenje Minerali u prirodnom obliku
Semi-precious Stones Minerals in rough form
Semipreziose Pietre Minerali in forma grezza
Edelsteine Mineralien in Rohform

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Complete offer of all our products (continue here below)
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Fossil – AMMONITES

AMMONITES ENTIRE small (1 cm – 6 cm)

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1 kg = 75,00 EUR

FOSSIL AMMONITES ENTIRE 1
Ammonites in the broad sense, or Ammonoidea, are an extinct subclass of cephalopod molluscs. They appear in the fossil record during the Devonian and disappear shortly after the Cretaceous-Paleocene crisis. They were characterized by a univalve shell more or less coiled of which only the last lodge was occupied by the animal, the other lodges being used to control its flotation; the siphon connecting them is in the external (ventral) position, along the wall, whereas it is axial in the nautiluses. Their fossil shells are excellent chronological markers. Their size ranges from a few millimetres to more than 2 meters in diameter.

AMMONITES SAWN various sizes (6 cm – 25 cm) 1 kg = 75,00 EUR

AMMONITES SAWN LARGE sizes (25 cm – 50 cm) 1 kg = 150,00 EUR

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FOSSIL AMMONITES SAWN 1

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Fossil – PETRIFIED WOOD – small 0,5 – 5 kg

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Real fossilized “Tree Trunks” approximately 200 million years of age.

FOSSIL PETRIFIED WOOD SMALL PIECES 1
Petrified wood (from the Latin root petro meaning “rock” or “stone”; literally “wood turned into stone”) is the name given to a special type of fossilized remains of terrestrial vegetation. Petrifaction is the result of a tree or tree-like plants having transitioned to stone by a mineralization process that often includes permineralization and replacement. The organic materials making up cell walls have been replicated with minerals (mostly a silicate, such as opal, chalcedony, or quartz). In some instances, the original structure of the stem tissue may be partly retained. Unlike other plant fossils, which are typically impressions or compressions, petrified wood is a three-dimensional representation of the original organic material.
The petrifaction process occurs underground, when wood becomes buried in water-saturated sediment or volcanic ash. During replacement, the plant’s cell walls act as a template for mineralization.  Most of the organic matter often decomposes, however some of the lignin may remain. Silica in the form of Opal-A, can encrust and permeate wood relatively quickly in hot spring environments. However, petrified wood is most commonly associated with trees that were buried in fine grained sediments of deltas and floodplains or volcanic lahars and ash beds. A forest where such material has petrified becomes known as a petrified forest.

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Fossil SEPTARIA polished (Septarian concretions) 1 kg – 5 kg

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FOSSIL SEPTARIA POLISHED
Septarian concretions or septarian nodules, are concretions containing angular cavities or cracks, called “septaria”. The word comes from the Latin word septum; “partition”, and refers to the cracks/separations in this kind of rock. Some websites incorrectly derive the term from the Latin word septem, meaning “seven”. Cracks are highly variable in shape and volume, as well as the degree of shrinkage they indicate. Although it has commonly been assumed that concretions grew incrementally from the inside outwards, the fact that radially oriented cracks taper towards the margins of septarian concretions is taken as evidence that in these cases the periphery was stiffer while the inside was softer, presumably due to a gradient in the amount of cement precipitated.

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Polished FLUORITE (1 kg – 5 kg)

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POLISHED FLOURITE 2
Fluorite (also called fluorspar) is a very popular mineral, and it naturally occurs in all colors of the spectrum. It is one of the most varied colored minerals in the mineral kingdom, and the colors may be very intense and almost electric. Pure Fluorite is colorless; the color variations are caused by various impurities. Some colors are deeply colored, and are especially pretty in large well-formed crystals, which Fluorite often forms. Sometimes coloring is caused by hydrocarbons, which can be removed from a specimen by heating. Some dealers may apply oil treatment upon amateur Fluorite specimens to enhance luster.
Fluorite is one of the more famous fluorescent minerals. Many specimens strongly fluoresce, in a great variation of color. In fact, the word “fluorescent” is derived from the mineral Fluorite. The name of the element fluorine is also derived from Fluorite, as Fluorite is by far the most common and well-known fluorine mineral.
Chemical Formula CaF2
Composition Calcium fluoride
Color Fluorite occurs in all colors, including colorless, white, purple, blue, red, pink, orange, yellow, brown, green, gray, and black. May also be multicolored and banded.
Streak White
Hardness 4
Crystal System Isometric

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Polished JASPER “OCEAN” (1 kg – 5 kg)

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POLISHED JASPER OCEAN 1
Jasper is an opaque form of Chalcedony, which is a microcrystalline variety of the mineral Quartz. It often contains an abundance of impurities, and therefore some regard it as a rock instead of a mineral. Jasper is usually associated with brown, yellow, or reddish colors, but may be used to describe other opaque colors of Chalcedony such as dark or mottled green and orange. Some forms of Jasper are banded, and these banded Jaspers may appear similar to Agate, but unlike Agate they are opaque. When Jasper is dull and lacking interesting colors or patterns, it is not Jasper but rather Chert. Chemical Formula SiO2 Composition Silicon dioxide, usually with impurities of iron oxides or organic substances. Color Brown, yellow, orange, red, green, or blue. May also refer to any form of opaque Chalcedony in all colors. Jasper is usually multicolored or banded. Streak White Hardness 6.5 – 7 Crystal System Hexagonal

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Polished JASPER “POLYCHROME” (1 kg – 5 kg)

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POLISHED JASPER POLYCHROME

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LABRADORITE

Polished LABRADORITE large (1 kg – 5 kg)

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POLISHED LABRADORITE LARGE
Labradorite is an unusual mineral. It can display a beautiful iridescent play of colors, caused by internal fractures in the mineral that reflect light back and forth, dispersing it into different colors. This effect, known as labradorescence, gives Labradorite its appeal and fame. Specimens sold to collectors are usually polished or sliced by dealers to fully bring out this effect. Sliced slabs are sometimes sold by dealers in water, which enhances the effect. Labradorite belongs to the Plagioclase Feldspar group, an isomorphous solid solution series. Albite is one member, containing sodium and no calcium. The other end member, Anorthite, contains calcium and no sodium. Labradorite is an intermediary member of this series. Labradorite is considered by some authorities as a variety of Anorthite rather then a separate mineral. Chemical Formula (Ca,Na)Al1-2Si3-2O8 Color White, gray, light blue, light green, pale orange-red, black, usually with a strong multicolored display of purple, blue, and green schillers. Streak White Hardness 6 – 6.5 Crystal System Triclinic

Polished LABRADORITE small (0,1 kg – 0,5 kg)

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POLISHED LABRADORITE SMALL

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Polished various CRYSTALS and MINERALS small (0,1 kg – 0,5 kg)

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POLISHED VARIOUS SMALL

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CORUNDUM SAPPHIRE

Rough CORUNDUM SAPPHIRE blue-gray (2 cm – 15 cm)

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ROUGH ST AAA CORUNDUM BLUE-ISH
Corundum is best known for its gem varieties, Ruby and Sapphire. Ruby and Sapphire are scientifically the same mineral, but just differ in color. Ruby is the red variety, and Sapphire is the variety that encompasses all other colors, although the most popular and valued color of Sapphire is blue. Sapphire is also only used to describe the gem variety; otherwise it is simply called Corundum.
Corundum is a very hard, tough, and stable mineral. For all practical purposes, it is the hardest mineral after Diamond, making it the second hardest mineral. It is also unaffected by acids and most environments. Translucent brown Corundum and Emery are the most common forms of Corundum. These are fairly common forms, and due to their great hardness and prevalence are the most favorable abrasives. The industrial term “emery” describing Corundum abrasives is derived from the variety Emery which is mined specifically for its use as an abrasive. Erosion may cause Emery to crumble and form sand, which are sometimes called “black sands.”
Chemical Formula Al2O3
Composition Aluminum oxide
Color Many colors, including blue, red, violet, pink, green, yellow, orange, gray, white, colorless, and black. Occasionally also multicolored or striped.
Streak White
Hardness 9
Crystal System Hexagonal

Rough CORUNDUM SAPPHIRE red-blue (2 cm – 15 cm)

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ROUGH ST AAA CORUNDUM RED-ISH

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AMETHYST CRYSTAL CLUSTERS (0,5 kg – 5 kg)

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ROUGH ST AAA QUARTZ AMETHYST CLUSTERS
Amethyst is a well known mineral and gemstone. It is the purple variety of the mineral Quartz, and its most valuable and prized variety. Its name derives from the Greek “amethystos”, which means “not drunken”, as Amethyst in antiquity was thought to ward off drunkenness. The color of some Amethyst specimens from certain localities slowly fade upon prolonged exposure to light. When used as a gemstone, Amethyst is often heat treated to deepen the color, or to transform it into Citrine.
Chemical Formula SiO2
Composition Silicon dioxide. Its purple coloring is usually caused by impurities of iron or manganese compounds.
Color Light to dark purple. Sometimes banded with purple and whitish lines. May also be mixed together with Citrine.
Streak White
Hardness 7
Crystal System Hexagonal

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CELESTITE GEODES (0,5 kg – 5 kg)

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ROUGH ST AAA QUARTZ CELESTITE GEODE
Celestite (also known as Celestine) is an attractive mineral that forms in well-shaped crystals with a distinctive soft blue color. Crystals may be a solid color, but may also have lighter and darker color zones of blue. While pure Celestine is colorless, various impurities give this mineral a wider range of colors, especially its celestial blue color. Celestine geodes of large, deep sky-blue crystals are well-known and abundant from Madagascar.
Chemical Formula SrSO4
Composition Strontium sulfate, sometimes with small amounts of barium
Variable Formula (Sr,Ba)SO4
Color Blue, white, colorless, orange, orange-brown, light brown, yellow, greenish-blue, gray. Crystals may also be slightly multicolored, with light blue on one end and colorless on the other.
Streak White
Hardness 3 – 3.5
Crystal System Orthorhombic

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QUARTZ CRYSTAL CLUSTERS (0,5 kg – 5 kg)

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ROUGH ST AAA QUARTZ CLUSTERS
Quartz is one of the most well-known minerals on earth. It occurs in basically all mineral environments, and is the important constituent of many rocks. Quartz is also the most varied of all minerals, occurring in all different forms, habits, and colors. There are more variety names given to Quartz than any other mineral. Although the Feldspars as a group are more prevalent than Quartz, as an individual mineral Quartz is the most common mineral.
Chemical Formula SiO2
Composition Silicon dioxide
Color Colorless, white, purple, pink, brown, and black. Also gray, green, orange, yellow, blue, and red. Sometimes multicolored or banded.
Streak White
Hardness 7
Crystal System Hexagonal

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Rough AGATE BLUE (100 gr – 3000 gr)

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ROUGH ST AGATE BLUE
Agate is the banded form of the mineral Chalcedony, which is a microcrystalline variety of Quartz. Agate is the most varied and popular type of Chalcedony, having many varieties on its own. Although the pattern on every Agate is unique, the locality of an Agate will provide resemblances in banding style and color, thus lending many Agates with a geographic prefix.
Agate usually forms in rounded nodules or knobs which need to be sliced open to bring out the internal pattern hidden in the stone. Most Agate is ugly in its natural state; specimens must be polished to bring out their full beauty. Much of the Agate sold to collectors has been treated, in the form of tumbled stones or polished slabs. Popular collector forms of Agate include nodules or geodes sliced in the middle into two polished cross-sections, or thin slabs from nodule or geode cross-sections.
Agate is often dyed to enhance its colors. This is especially true of Agate from Brazil. Bright neon colors such as bright blue and red are rarely natural.
Agate is named after the Achates River (now known as the Dirillo River) on the island of Sicily, Italy, whose upper waters were an ancient source of this gemstone.
Chemical Formula SiO2
Composition Silicon dioxide
Color Multicolored in banded formation. Colors include white, blue, red, green, yellow, orange, brown, pink, purple, gray, and black. Some rarer forms of Agate are iridescent.
Streak White
Hardness 7
Crystal System Hexagonal

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Rough AGATE GREEN (100 gr – 3000 gr)

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ROUGH ST AGATE GREEN
See more about Agate under; Rough AGATE BLUE

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Rough AGATE TAPE (100 gr – 3000 gr)

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ROUGH ST AGATE TAPE
See more about Agate under; Rough AGATE BLUE

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Rough AGATE ZEBRA (100 gr – 3000 gr)

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ROUGH ST AGATE ZEBRA
See more about Agate under; Rough AGATE BLUE

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Rough JASPER FISH SKIN (100 gr – 3000 gr)

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ROUGH ST JASPER FISH SKIN
Jasper is an opaque form of Chalcedony, which is a microcrystalline variety of the mineral Quartz. It often contains an abundance of impurities, and therefore some regard it as a rock instead of a mineral. Jasper is usually associated with brown, yellow, or reddish colors, but may be used to describe other opaque colors of Chalcedony such as dark or mottled green and orange. Some forms of Jasper are banded, and these banded Jaspers may appear similar to Agate, but unlike Agate they are opaque. When Jasper is dull and lacking interesting colors or patterns, it is not Jasper but rather Chert.
Chemical Formula SiO2
Composition Silicon dioxide, usually with impurities of iron oxides or organic substances.
Color Brown, yellow, orange, red, green, or blue. May also refer to any form of opaque Chalcedony in all colors. Jasper is usually multicolored or banded.
Streak White
Hardness 6.5 – 7
Crystal System Hexagonal

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Rough JASPER GREEN (100 gr – 3000 gr)

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ROUGH ST JASPER GREEN
See more about Jasper under; Rough JASPER FISH SKIN

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Rough JASPER GREEN-YELLOW STRIPES (100 gr – 3000 gr)

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ROUGH ST JASPER GREEN-YELLOW STRIPES
See more about Jasper under; Rough JASPER FISH SKIN

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Rough JASPER KAMBAMBA (100 gr – 3000 gr)

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ROUGH ST JASPER KAMBAMBA
See more about Jasper under; Rough JASPER FISH SKIN

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Rough JASPER “OCEAN” (100 gr – 3000 gr)

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ROUGH ST JASPER OCEAN
See more about Jasper under; Rough JASPER FISH SKIN

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Rough JASPER POLYCHROME (100 gr – 3000 gr)

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ROUGH ST JASPER POLYCHROME
See more about Jasper under; Rough JASPER FISH SKIN

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Rough JASPER “PRINTED” (100 gr – 3000 gr)

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ROUGH ST JASPER PRINTED
See more about Jasper under; Rough JASPER FISH SKIN

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Rough JASPER RED (100 gr – 3000 gr)

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ROUGH ST JASPER RED
See more about Jasper under; Rough JASPER FISH SKIN

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Rough JASPER YELLOW (100 gr – 3000 gr)

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ROUGH ST JASPER YELLOW
See more about Jasper under; Rough JASPER FISH SKIN

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Rough Quartz AMETHYST (100 gr – 3000 gr)

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ROUGH ST QUARTZ AMETHYST
Amethyst is a well known mineral and gemstone. It is the purple variety of the mineral Quartz, and its most valuable and prized variety. Its name derives from the Greek “amethystos”, which means “not drunken”, as Amethyst in antiquity was thought to ward off drunkenness. The color of some Amethyst specimens from certain localities slowly fade upon prolonged exposure to light. When used as a gemstone, Amethyst is often heat treated to deepen the color, or to transform it into Citrine.
Chemical Formula SiO2
Composition Silicon dioxide. Its purple coloring is usually caused by impurities of iron or manganese compounds.
Color Light to dark purple. Sometimes banded with purple and whitish lines. May also be mixed together with Citrine.
Streak White
Hardness 7
Crystal System Hexagonal

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Rough Quartz BLUE (100 gr – 3000 gr)

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ROUGH ST QUARTZ BLUE
Quartz is one of the most well-known minerals on earth. It occurs in basically all mineral environments, and is the important constituent of many rocks. Quartz is also the most varied of all minerals, occurring in all different forms, habits, and colors. There are more variety names given to Quartz than any other mineral. Although the Feldspars as a group are more prevalent than Quartz, as an individual mineral Quartz is the most common mineral.
Chemical Formula SiO2
Composition Silicon dioxide
Color Colorless, white, purple, pink, brown, and black. Also gray, green, orange, yellow, blue, and red. Sometimes multicolored or banded.
Streak White
Hardness 7
Crystal System Hexagonal

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Rough Quartz GREEN (100 gr – 3000 gr)

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ROUGH ST QUARTZ GREEN
See more about Quartz under; Rough quartz BLUE

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Rough Quartz HEMATOIDE RED (100 gr – 3000 gr)

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ROUGH ST QUARTZ HEMATOIDE RED
See more about Quartz under; Rough quartz BLUE

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Rough Quartz HEMATOIDE YELLOW (100 gr – 3000 gr)

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ROUGH ST QUARTZ HEMATOIDE YELLOW
See more about Quartz under; Rough quartz BLUE

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Rough Quartz LAVANDER (100 gr – 3000 gr)

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ROUGH ST QUARTZ LAVANDER
See more about Quartz under; Rough quartz BLUE

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Rough Quartz PURPLE (100 gr – 3000 gr)

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ROUGH ST QUARTZ PURPLE
See more about Quartz under; Rough quartz BLUE

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Rough Quartz ROSE (PINK) (100 gr – 3000 gr)

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ROUGH ST QUARTZ ROSE 2
See more about Quartz under; Rough quartz BLUE

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Rough Quartz SMOKY DARK (100 gr – 3000 gr)

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ROUGH ST QUARTZ SMOKY DARK
See more about Quartz under; Rough quartz BLUE

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Rough Quartz SMOKY (100 gr – 3000 gr)

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ROUGH ST QUARTZ SMOKY
See more about Quartz under; Rough quartz BLUE

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Rough Quartz WHITE (100 gr – 3000 gr)

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ROUGH ST QUARTZ WHITE
See more about Quartz under; Rough quartz BLUE

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Rough AMAZONITE (100 gr – 3000 gr)

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ROUGH ST XXX AMAZONITE
Amazonite is a translucent to opaque feldspar mineral with a pretty green color. It is the greenish variety of the mineral Microcline. Amazonite is named after the Amazon River of South America. There are no Amazonite deposits that exist in the Amazon region, so presumably this stone is named to its resemblance in color to the green of the tropical rainforest.
Chemical Formula KAlSi3O8
Color Blue, Green, Purple, Gray, Multicolored
Hardness 6 – 6.5
Crystal System Triclinic

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Rough CARNELIAN (100 gr – 3000 gr)

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ROUGH ST XXX CARNELIAN
Carnelian is the red, orange, or amber variety of Chalcedony mineral. Though often a solid color, it may also be banded, in which case it would be jointly classified as both Agate and Carnelian. Carnelian is an ancient gemstone, having been used as gem material since antiquity. Although still used a gemstone today, its significance and value has been diminished since the ancient times.
Chemical Formula SiO2
Color Red, Orange
Hardness 7
Crystal System Hexagonal

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Rough FLUORITE (100 gr – 3000 gr)

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ROUGH ST XXX FLUORITE
Fluorite is a very popular mineral, and it naturally occurs in all colors of the spectrum. It is one of the most varied colored minerals in the mineral kingdom, and the colors may be very intense and almost electric. Pure Fluorite is colorless; the color variations are caused by various impurities. Some colors are deeply colored, and are especially pretty in large well-formed crystals, which Fluorite often forms. Sometimes coloring is caused by hydrocarbons, which can be removed from a specimen by heating. Some dealers may apply oil treatment upon amateur Fluorite specimens to enhance luster.
Fluorite is one of the more famous fluorescent minerals. Many specimens strongly fluoresce, in a great variation of color. In fact, the word “fluorescent” is derived from the mineral Fluorite. The name of the element fluorine is also derived from Fluorite, as Fluorite is by far the most common and well-known fluorine mineral.
Chemical Formula CaF2
Composition Calcium fluoride
Color Fluorite occurs in all colors, including colorless, white, purple, blue, red, pink, orange, yellow, brown, green, gray, and black. May also be multicolored and banded.
Streak White
Hardness 4
Crystal System Isometric

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Rough LABRADORITE (100 gr – 3000 gr)

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ROUGH ST XXX LABRADORITE
Labradorite is an unusual mineral. It can display a beautiful iridescent play of colors, caused by internal fractures in the mineral that reflect light back and forth, dispersing it into different colors. This effect, known as labradorescence, gives Labradorite its appeal and fame. Specimens sold to collectors are usually polished or sliced by dealers to fully bring out this effect. Sliced slabs are sometimes sold by dealers in water, which enhances the effect.
Labradorite belongs to the Plagioclase Feldspar group, an isomorphous solid solution series. Albite is one member, containing sodium and no calcium. The other end member, Anorthite, contains calcium and no sodium. Labradorite is an intermediary member of this series. Labradorite is considered by some authorities as a variety of Anorthite rather then a separate mineral.
Chemical Formula            (Ca,Na)Al1-2Si3-2O8
Color     White, gray, light blue, light green, pale orange-red, black, usually with a strong multicolored display of purple, blue, and green schillers.
Streak   White
Hardness             6 – 6.5
Crystal System  Triclinic

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Rough “OPAL” GREEN (100 gr – 3000 gr)

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ROUGH ST XXX OPAL GREEN
Opal, being amorphous, is not truly a mineral but a mineraloid. One of the scientifically accepted standards defining a mineral is that a mineral must have a crystal structure, which opal lacks. Despite this, virtually all scientific references, including the acclaimed Dana’s System of Mineralogy, categorize Opal together with the true minerals.
To protect Opals from crazing, they should not be washed with chemicals or detergents and should not be subject to sudden changes in temperature or lighting.
Chemical Formula SiO2 · nH2O
Composition Hydrous silicon dioxide. The water can range from 3% to 21% of the total weight, but is usually between 6% to 10%.
Color Colorless, white, yellow, orange, red, purple, blue, green, gray, brown, and black. These are some of the base colors of Opal.
Streak White
Hardness 4.5 – 6.5
Crystal System Amorphous

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Rough RUBELLITE TOURMALINE (100 gr – 3000 gr)

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ROUGH ST XXX RUBELLITE
Rubellite Tourmaline is not a single mineral, but a group of several closely related minerals. The three most well-known members are Elbaite, Schorl, and Dravite. Other lesser known members include Uvite, Liddicoatite and Buergerite. There are yet more members of the Tourmaline group, but these are extremely rare and not discussed in this guide.
Tourmaline is both pyroelectric and piezoelectric. If a specimen is put under a pressure or temperature change, it will generate an electrical charge. When this happens, dust particles become attached to the crystal ends.
Chemical Formula – The formula for the Tourmaline group is very complex. See The chemical formula of Tourmaline for more details.
Composition See The chemical formula of Tourmaline.
Color Tourmaline is extremely varied in color. Colors include black, brown, green, red, pink, blue, and gray. White, colorless, yellow, orange, and purple colors are less common. Crystals are frequently multicolored, containing two or more distinct colors. Some specimens are pleochroic.
Streak White
Hardness 7 – 7.5
Crystal System Hexagonal

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