Native copper - Bou Nahas mine, Oumjrane, Morocco
Small “feather” of native copper with an atypical skeletal...
Small “feather” of native copper with an atypical skeletal...
Native copper with an atypical skeletal structure, due to...
Gypsum in excellent condition, very fine quality, with...
Sphalerite crystal in perfect condition and of good size (1.5...
Epitaxial hematite and rutile. Piece from a discovery of a few...
Rare twinned diaspore crystals, both with very good...
A specimen composed of several quartz crystals, one of which...
Hyalite opal crown on basalt, in perfect condition, showing a...
A rare find! Superb star rutile floating in epitaxy around...
Rare acanthite crystals of beautiful size and brilliance, from...
Very architectural set of rare acanthite crystals of a...
Azurite in discoidal crystallization of 5,7 x 4,5 cm on white...