|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Romania > Bournonite, Sphalerite, Boulangerite, Pyrite
|Bournonite, Sphalerite, Boulangerite, Pyrite
|Baia Mare, Maramures, Romania
|Large museum specimen of lustrous black sphalerite crystals to 2.5 mm with cogwheel-twinned gray-metallic bournonite crystals to 4.5 mm intermixed with hair-like gray metallic boulangerite microcrystals and yellow-metallic pyrite crystals to 0.5 mm. Ex. W. B. Thompson collection; in exchange from Romanian Ministerul Minelor Petrolului si Geologiei, Institutul Geologic
|micro to 4.5 mm
|For reference only
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