There are 416 minerals currently listed.
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A textbook pair of gemmy dolomite rhombohedrons (largest is 3.7 cm across) ocurring as intergrown twins, on a dolomite and calcite matrix. Superb!
Location: Cantera Nueva, Eugui, Navarra, Spain
Dimensions: 7 x 6 x 4cm
Size: Small Cabinet
Pearly dolomite crystals have completely replaced tarnowitzite crystals (the plumbian variety of aragonite) and are dotted by hexagonal cuprite crystals and tiny yellow mimetites, (most of them at the base of the specimen).
Location: Tsumeb Mine, Tsumeb, Namibia
Dimensions: 6.5 x 4.3 x 2.7cm
Large clear calcite crystals are coated with two distinct generations of pinkish lavender cobaltoan dolomite, associated with dark green malachite and pastel chrysocolla. Exceptional. Have only see three of these in my time.
Location: Mashamba West Mine, Kolwezi, Katanga, D.R Congo
Dimensions: 11.5 x 8 x 5cm
Size: Cabinet & Larger
A multicolored, beautifully terminated, lustrous single crystal of elbaite with gemmy areas and a pair of smaller crystals and minor mica attached on one side. The colors range from yellow to orange to a brownish red. It might be better to call this tourmaline, since there are dravites that come from this locality also that resemble this one, but the old labels said elbaite. An important crystal from this obscure locality!
Location: Malkhan Pergmatite, Chithinskaya Oblast, Transbaikalia, East. Siberia, Russia
Dimensions: 5.5 x 3 x 2.9cm