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...
Epitaxial hematite and rutile. Piece from a discovery of a few...
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...