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288 samples matching your criteria
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Sample n°8663 : sulfide ore in calcareous gangue materialMinerals: PYRITE SIDERITE TOURMALINEYear: 1960Country: Congo (RDC)
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Sample n°8666 : sulfide ore in calcareous gangue materialMinerals: PYRITE SIDERITE QUARTZ TOURMALINEYear: 1960Country: Congo (RDC)
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Sample n°8668 : mineralised quartz with sulfides, brown siderite vein, black tourmaline needlesMinerals: PYRITE TOURMALINE QUARTZ SIDERITEYear: 1960Country: Congo (RDC)
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Sample n°8669 : mineralised vein quartzMinerals: ARSENOPYRITE CASSITERITE PYRITE BISMUTOFERRITE QUARTZ SIDERITE TOURMALINEYear: 1960Country: Congo (RDC)
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Sample n°8677 : brown siderite crystals, black tourmaline needlesMinerals: SIDERITE TOURMALINE QUARTZYear: 1960Country: Congo (RDC)
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Sample n°8678 : mixed ore in quartzMinerals: CASSITERITE TOURMALINE PYRITE QUARTZ SIDERITEYear: 1960Country: Congo (RDC)
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Sample n°8690 : massive mixed oreMinerals: SIDERITE TOURMALINE ARSENOPYRITE PYRITEYear: 1960Country: Congo (RDC)
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Sample n°8937 : very large blockMinerals: BIOTITE MUSCOVITE QUARTZ TOURMALINEYear:Country: Rwanda
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Sample n°9083 : tourmaline needles and tabular wolframite crystals in geodic quartzMinerals: WOLFRAMITE TOURMALINEYear: 1962Country: Rwanda
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Sample n°9189 : layer of black tourmalinite in quartziteMinerals: TOURMALINEYear:Country: Rwanda