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Rare minerals

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Titanite or Sphene

69.00 €

Réf: M2282
Vesuvianite (Idocrase)

15.90 €

Réf: M1867

Rare gem, Vesuvianite or idocrase with some ...

Crystals (tetragonal system) included in the rock, in short, thick prisms with vitreous or greasy luster. Hardness: 6 1/2. Density: 3.27-3.45.
Dioptase and Plancheite

58.40 €

Réf: M1568
Dioptase and Plancheite

54.20 €

Réf: M1565
Dioptase and Plancheite

40.90 €

Réf: M1561
Carrollite, (Carrolite) crystal on calcite gangue

36.70 €

Réf: M1066

Congo

It is a sulfide of the linnaeite group. The color ranges from copper to metallic gray. It appears at the beginning of the metasomatism of copper deposits consisting mainly of sulfides. Carrollite is a rare copper-cobalt-nickel sulfide. Hardness 4.5 to 5.5. Chemical formula: Cu(Co,Ni)2S4. Density: 4.65. Luster: metallic. Cubic system, the fracture is conchoidal, crystals can be octahedral, rhombododecahedral, cuboctahedral, or cubic. ... info ... mode=
Carrollite, (Carrolite) crystal on calcite gangue

27.50 €

Réf: M1060

Congo

It is a sulfide of the linnaeite group. The color ranges from copper to metallic gray. It appears at the beginning of the metasomatism of copper deposits consisting mainly of sulfides. Carrollite is a rare copper-cobalt-nickel sulfide. Hardness 4.5 to 5.5. Chemical formula: Cu(Co,Ni)2S4. Density: 4.65. Luster: metallic. Cubic system, the fracture is conchoidal, crystals can be octahedral, rhombododecahedral, cuboctahedral, or cubic.
Carrollite, (Carrolite) crystal on calcite gangue

30.90 €

Réf: M1059

Congo

It is a sulfide of the linnaeite group. The color ranges from copper to metallic gray. It appears at the beginning of the metasomatism of copper deposits consisting mainly of sulfides. Carrollite is a rare copper-cobalt-nickel sulfide. Hardness 4.5 to 5.5. Chemical formula: Cu(Co,Ni)2S4. Density: 4.65. Luster: metallic. Cubic system, the fracture is conchoidal, crystals can be octahedral, rhombododecahedral, cuboctahedral, or cubic.
Carrollite, (Carrolite) crystal on calcite gangue

29.20 €

Réf: M1058

Congo

It is a sulfide of the linnaeite group. The color ranges from copper to metallic gray. It appears at the beginning of the metasomatism of copper deposits consisting mainly of sulfides. Carrollite is a rare copper-cobalt-nickel sulfide. Hardness 4.5 to 5.5. Chemical formula: Cu(Co,Ni)2S4. Density: 4.65. Luster: metallic. Cubic system, the fracture is conchoidal, crystals can be octahedral, rhombododecahedral, cuboctahedral, or cubic. ... info ... mode=
Carrollite, (Carrolite) crystal on calcite gangue

17.50 €

Réf: M1056

Congo

It is a sulfide of the linnaeite group. The color ranges from copper to metallic gray. It appears at the beginning of the metasomatism of copper deposits consisting mainly of sulfides. Carrollite is a rare copper-cobalt-nickel sulfide. Hardness 4.5 to 5.5. Chemical formula: Cu(Co,Ni)2S4. Density: 4.65. Luster: metallic. Cubic system, the fracture is conchoidal, crystals can be octahedral, rhombododecahedral, cuboctahedral, or cubic.
Carrollite, (Carrolite) crystal on calcite gangue

27.50 €

Réf: M1052

Congo

It is a sulfide of the linnaeite group. The color ranges from copper to metallic gray. It appears at the beginning of the metasomatism of copper deposits consisting mainly of sulfides. Carrollite is a rare copper-cobalt-nickel sulfide. Hardness 4.5 to 5.5. Chemical formula: Cu(Co,Ni)2S4. Density: 4.65. Luster: metallic. Cubic system, the fracture is conchoidal, crystals can be octahedral, rhombododecahedral, cuboctahedral, or cubic.
Carrollite, (Carrolite) crystal on calcite gangue

21.70 €

Réf: M1049

Congo

It is a sulfide of the linnaeite group. The color ranges from copper to metallic gray. It appears at the beginning of the metasomatism of copper deposits consisting mainly of sulfides. Carrollite is a rare copper-cobalt-nickel sulfide. Hardness 4.5 to 5.5. Chemical formula: Cu(Co,Ni)2S4. Density: 4.65. Luster: metallic. Cubic system, the fracture is conchoidal, crystals can be octahedral, rhombododecahedral, cuboctahedral, or cubic.
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
Hambergite

85.00 €

Réf: MX1562

Extremely rare mineral
Stichtite

16.00 €

Réf: M2548

On serpentine matrix

A very soft, "sandy" feeling mineral with a beautiful lilac color on a green serpentine matrix.
Stichtite

10.00 €

Réf: M2546
Meteorite

10.00 €

Réf: M670

Rare, chondrite type

Approx. 3.5 x 2.5 x 2.5 cm.
Imperial Topaz

35.00 €

Réf: M1505

non-contractual photo
Imperial Topaz

40.00 €

Réf: M1503
Imperial Topaz

35.00 €

Réf: M1509
Nepheline or Nephelite and Schorlomite garnets

15.00 €

Réf: M1593

Nepheline (Elaeolite), a feldspathoid mineral ...

Feldspathoids are a group of aluminous tectosilicates resembling feldspars in appearance and chemical composition (hence their name). The most important are Nepheline, Leucite, and Cancrinite.
Yellow Cerussite

90.00 €

Réf: M2435

Strong UV fluorescence (yellow)

Crystal approx. 37x37x34 mm, Lead Carbonate.
Brazilianite or (Brazilianite)

30.00 €

Réf: M1497

This mineral is extremely rare, especially for ...

Brazilianite: Crystal system: Monoclinic. Chemical formula: NaAl3(PO4)2(OH)4. Hardness: 5.5. Density: 2.98. Phosphate group: Basic sodium and aluminum phosphate.
Stichtite

20.00 €

Réf: M2272