Mineralogy Database
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32 samples matching your criteria
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Sample n°4742 : crust of bright black crystals (1 cm) on rock substrateMinerals: CASSITERITE ARSENOPYRITE TOPAZYear: 1954Country: United Kingdom
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Sample n°4812 : black mass and layers in quartzMinerals: WOLFRAMITEYear: 1954Country: United Kingdom
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Sample n°6650 : black altered crustMinerals: CHALCOCITEYear: 1954Country: United Kingdom
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Sample n°6661 : polished sectionMinerals: JAMESONITEYear: 1954Country: United Kingdom
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Sample n°6692 : specular scoriaceous block (5 cm)Minerals: CUPRITEYear: 1954Country: United Kingdom
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Sample n°6726 : block (7 cm) with ore minerals as impregnationMinerals: STANNITEYear: 1954Country: United Kingdom
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Sample n°6753 : pale green crust on granite, var. rashleighiteMinerals: TURQUOISEYear: 1954Country: United Kingdom
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Sample n°6758 : bright black crystals (mm) in quartz geodeMinerals: GOETHITEYear: 1954Country: United Kingdom
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Sample n°6818 : massive pink, covered by black oxidesMinerals: RHODONITE PYROLUSITEYear: 1954Country: United Kingdom
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Sample n°6859 : green and white massive block (7 cm)Minerals: PREHNITEYear: 1954Country: United Kingdom