Atelier lapidaire et bijoux - spécialiste des opales d'Australie

Crystallized minerals

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Rock Crystal (Soul Quartz)

20.00 €

Réf: M2709
Fluorite (fluorine)

29.20 €

Réf: M1836

Fluorescent sample with large crystals 4 to 6 cm

The crystal system is cubic. Crystals are cubes or octahedra, often twinned. The habit can be granular, massive, or compact. Perfect octahedral cleavage. Conchoidal fracture. It is often associated with quartz, calcite, dolomite, galena, pyrite, chalcopyrite, sphalerite, barite... Chemical formula: CaF2. Hardness: 4. System: Cubic, sometimes octahedral. ... info ... mode=
Schorlomite Garnet and Nepheline (Nephelite)

23.40 €

Réf: M1851

Schorlomite Garnet. Crystal system: Cubic. Hardness 6.5 to 7.5. Luster Vitreous. Chemical formula: Ca3Fe2 (SiO4)3. Garnets belong to the nesosilicate group. Titaniferous variety of Andradite, comes from alkaline rocks. Nepheline: Hardness: 5 1/2-6. Luster: vitreous, greasy. Crystal system: hexagonal. Feldspathoid family with silica framework
Repolished Quartz with Inclusions

17.50 €

Réf: M2717
Siderite and calcite

145.00 €

Réf: M2761

Many calcite cristals, beautiful specimen
Hemimorphite

11.70 €

Réf: M2773
Hemimorphite

18.00 €

Réf: M2774
Sulfur

14.20 €

Réf: M2790
Ankerite and Pyrite

111.00 €

Réf: M2825
Calcite and Galena

121.00 €

Réf: M2801

White nodules on the surface, this is iron ...

White nodules on the surface, which are iron carbonate.
Pyrite, galène et cristal de calcite

145.00 €

Réf: M2800

De nombreux nodules blancs recouvrent la surface, ...
Topaz

10.00 €

Réf: M71a

non-contractual photo
Green Calcite

5.00 €

Réf: M18b

non-contractual photo
Simple Aquamarine Crystals

15.00 €

Réf: M74

Good clarity and beautiful color

These are long, narrow crystals of a beautiful deep blue color, gem quality.
Rubellite

2.50 €

Réf: M63

Small wine-colored crystals on porphyry

Small wine-colored crystals on porphyry
Magnesite

5.00 €

Réf: M92

Curiously mammillated cream-white mineral about 6cm.
Optical Calcite

5.00 €

Réf: M18a

Colorless and clear rhombohedral variety of calcite exhibiting extremely marked birefringence. Used for manufacturing optical instruments. Minimum size: 2.5 x 2 x 1.5 cm. If you place the crystal above a dot, you will see 2 dots; if you rotate the crystal above the dot, you will then see one dot rotate around the other. This phenomenon is called the extraordinary ray; the other dot is called the ordinary ray.

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