Fluorite and quartz - Choir area, Gobi desert, Mongolia
Slightly green, translucent and bright fluorite in excellent...
Slightly green, translucent and bright fluorite in excellent...
Dark amethyst, of a beautiful brilliance, from the amethyst...
Light amethyst, of a beautiful brilliance, from the amethyst...
Large plate of small, bright, dark amethyst crystals from the...
Surprising small plate of bright two-tone amethyst crystals...
Amethyst with hematoidal shades, with a beautiful brilliance,...
Amethyst with small, bright, dark tips from the Alacam...
Piece composed on both sides of small brilliant crystals of...
Dark amethyst, with a nice brilliance, of rather honorable...
Pyrite crystal of great brilliance, intact (but incomplete on...
Crystal of dodecahedral pyrite of great brilliance, incomplete...
Very shiny pyrite crystal, associated with some hematite...
Superb dodecahedral pyrite crystal of great brilliance,...
An almost complete, intact and very bright dodecahedral pyrite...
Skeletal quartz with clay inclusions of a beautiful...
Floating skeletal quartz, without damage, of a superb...
Quartz of a beautiful brilliance, from the sector of Allos in...
Specimen combining sphalerite var. cleiophane of beautiful...
Vanadinite in crystals joined together of a bright red and a...
Very bright epidote crystals, perfectly intact, with quartz....
Group of honey-colored barite crystals with typical habitus of...
Group of galena crystals with a nice metallic luster sprinkled...
Association of striated bournonites and sphalerites of a...
Plate of bright red sphalerites associated with small...
Small pale pink crystals of amethyst on calcite from the old...
Group of barite crystals. Some crystals are blue, others show...
Piece associating azurite, malachite, galena and barite and...