Natálie

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Natálie
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Iceland spar is a special transparent variety of calcite

Iceland spar is a clear, transparent, colorless crystallized variety of calcite (calcium carbonate, Large pieces are split along natural cleavage planes to form natural rhombs. Iceland spar is probably best known for exhibiting the optical propert

Olivenite. Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany FOV=3 mm Photo Copyright © Dominik Schläfli

Olivenite. Clara Mine, Rankach valley, Oberwolfach, Wolfach, Black Forest, Baden-Württemberg, Germany FOV=3 mm Photo Copyright © Dominik Schläfli

Apatite with Faden Quartz - Zhob, Baluchistan, Pakistan

Stunning new find perfect apatite on top of perfect Faden Quartz crystal from Zhob, Baluchistan , Pakistan .

BARYTE Frizington, Cumbria, England, Europe

A consummate English classic Blue Baryte from the Iron mining area of Frizington. The specimen displays excellent characteristic tabular chisel form crystals measuring to

Polished Malachite Nodule Cluster. Mined in the 1970's from Katanga, Congo.

Mined in the from Katanga, Congo. Credit: GoldenHourMinerals Visit Amazing Geologist for more.

Uvite Tourmaline with Magnesite from Brumado District, Serra das eguas, Bahia…

Uvite Tourmaline with Magnesite from Brumado District, Serra das eguas, Bahia, Brazil Online Mineral Museum Photographic Archive

Calcite included by Boulangerite from the Herja Mine, Romania. Crystal Classics Minerals

A somewhat different form of Calcite included by Boulangerite from the Herja Mine, Romania. Crystals of Calcite displaying aesthetically on the whitish Calcite matrix.

Hnědel

Hnědel

Kasolite, Pb(UO2)[SiO4]·H2O, Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga, Democratic Republic of Congo. 1.38 mm group of orange-yellow Kasolite crystals. Copyright © Chinellato Matteo

Kasolite, Pb(UO2)[SiO4]·H2O, Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga, Democratic Republic of Congo. 1.38 mm group of orange-yellow Kasolite crystals. Copyright © Chinellato Matteo