Native copper - Bou Nahas mine, Oumjrane, Morocco
Native copper with an atypical skeletal structure, due to...
Native copper with an atypical skeletal structure, due to...
Piece composed of a multitude of green, translucent and very...
Gypsum in excellent condition, very fine quality, with...
Translucent violet fluorite with shiny surfaces and a deep...
Azurite composed of numerous brilliant crystals, set in...
Epitaxial hematite and rutile. Piece from a discovery of a few...
Epitaxial hematite and rutile.3 x 2.5 cm
A rare find! Superb star rutile floating in epitaxy around...
Tabular "sandwich" wulfenite from the former Mežica mines in...
Thick, single-crystal azurite, perfect in color, brilliance...
A small, perfectly formed azurite single crystal of remarkable...
Very architectural set of rare acanthite crystals of a nice...
Rare acanthite crystals of beautiful size and brilliance, from...
Very architectural set of rare acanthite crystals of a...
Almost complete geode (in two pieces) of brown to white...