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2 samples matching your criteria
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Sample n°19090 : specimens in UMHK gift caseMinerals: ARAGONITE ARSENOPYRITE BORNITE CALCITE CARROLLITE CATTIERITE CERUSSITE CHALCOPYRITE CHRYSOCOLLA COPPER CORNETITE DIOPTASE DOLOMITE GALENA GOETHITE HEMATITE HETEROGENITE MALACHITE MOLYBDENITE MONAZITE NEPOUITE PLANCHEITE PYRITE RENIERITE SHATTUCKITE SIEGENITE SMITHSONITE SPHALERITE TENNANTITE VAESITE WURTZITE SHUNGITEYear: 2020Country: Congo (RDC)
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Sample n°19471 : pure aggregate (97 % C), with conchoidal fracture, vitreous lustreMinerals: SHUNGITEYear:Country: Russia