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Joliotite, (UO2)CO3 · nH2O, and studtite,  UO2(O2)2(H2O)2.2H2O,  Krunkelbach Valley, Menzenschwand, Baden-Württemberg, Germany. Exceptionally fine balls of acicular aggregates of studtite crystals filling fracture seams of the matrix associated with very good yellow tabular joliotite crystals.

Joliotite, (UO2)CO3 · nH2O, and studtite, UO2(O2)2(H2O)2.2H2O, Krunkelbach Valley, Menzenschwand, Baden-Württemberg, Germany. Exceptionally fine balls of acicular aggregates of studtite crystals filling fracture seams of the matrix associated with very good yellow tabular joliotite crystals.

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Native Sulfur crystals on Aragonite matrix From the Cozzo Disi Mine…

Native Sulfur crystals on Aragonite matrix From the Cozzo Disi Mine…

Rhodochrosite with Quartz - Boldut Mine, Cavnic, Maramures, Rumania 64mm x 44mm x 33mm Rosette aggregates of flattened lenticular crystals with a very intense and uniform pink color, on matrix, with Quartz.

Rhodochrosite with Quartz - Boldut Mine, Cavnic, Maramures, Rumania 64mm x 44mm x 33mm Rosette aggregates of flattened lenticular crystals with a very intense and uniform pink color, on matrix, with Quartz.

Hemimorphite crystal sprays on matrix. Mine, Mapimi, Durango, Mexico.

Hemimorphite crystal sprays on matrix. Mine, Mapimi, Durango, Mexico.

Le parole sono pietre preziose: BARITE - Solfati (Sulphates)

Le parole sono pietre preziose: BARITE - Solfati (Sulphates)

Sulfur, S8, crystals with aragonite matrix, Racalmuto Mine, Racalmuto, Agrigento Province, Sicily, Italy

Sulfur, S8, crystals with aragonite matrix, Racalmuto Mine, Racalmuto, Agrigento Province, Sicily, Italy

cuarzo rosado #natural #stone

cuarzo rosado #natural #stone

Cristalli traslucidi di   Linarite vivido-blu su matrice di piccoli cristalli di quarzo. Fonte: Grande Reef Mine, Aravaipa District, Graham County, Arizona. /

Cristalli traslucidi di Linarite vivido-blu su matrice di piccoli cristalli di quarzo. Fonte: Grande Reef Mine, Aravaipa District, Graham County, Arizona. /

23.48 ct pinkish orange diamond, cartier

23.48 ct pinkish orange diamond, cartier

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