Proustite - Bouismas mine, Bou-Azzer mining district, Morocco
Numerous small proustite crystals in very good condition and...
Numerous small proustite crystals in very good condition and...
Plating of proustite crystals in good condition and very shiny...
Proustite crystals (the largest measuring 0.7 cm) in very good...
Numerous small proustite crystals very bright on a thin...
Numerous small proustite crystals in very good condition and...
Small piece composed of several wavellite spheres, one of...
Classical Malian association of prehnite spheres on...
An aesthetic and ethereal specimen combining a chalcedony...
Hyalite opal on basalt, in perfect condition, showing a very...
Colorless, translucent quartz with inclusions of very fine...
Colorless to very slightly smoky quartz point with inclusions...
Slightly smoky quartz with rutile inclusion in golden needles...
Pyrite with rare pseudo-rhombohedral* habitus showing growth...
Polished slice of polyhedral agate, to be appreciated as such...
Fiber-terminated tourmaline crystal with a superb blue...
Rare yellow vanadinite (color given by pseudomorphosis into...
Small, pseudo-cubic pyrite crystal with superb brilliance. A...
Perfectly formed, 0.9 cm-edge zunyite floating single crystal...
Dark violet fluorite with shiny surfaces dotted with a few...
Pyrite group with rare pseudo-rhombohedral* habitus showing...
Truncated-edged hessonite garnets with beautiful brilliance,...
Native copper with an atypical skeletal structure, due to...
Small, fairly bright azurite crystals, contrasting with a...
Association of small magnetite octahedrons with a beautiful...
Several shiny, well-formed crystals of light-green titanite...
Small, mostly bright, automorphic azurite crystals (not so...
Well-translucent, perfectly finished aquamarine single...
Attractive sample of amethyst quartz in perfect condition,...
Amethyst tip in perfect condition, brilliant and...
Well-finished, sparkling, transparent topaz single crystal.2 x...
Well-finished, brilliant topaz single crystal with beautiful...
Translucent quartz with golden rutile inclusions, delicately...