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124 samples matching your criteria
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Sample n°15013 : green translucent fragmentMinerals: TOURMALINEYear: 1987Country: Tanzania
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Sample n°15785.1 : chrysoprase in quartzite with associated magnesiteMinerals: QUARTZYear:Country: Tanzania
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Sample n°15785.2 : crystals, var. rubyMinerals: CORUNDUMYear:Country: Tanzania
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Sample n°15785.3 : tanzanite in graphitic gangue materialMinerals: ZOISITEYear:Country: Tanzania
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Sample n°15012 : purple-blue translucent fragment, var. tanzaniteMinerals: ZOISITEYear: 1987Country: Tanzania
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Sample n°16328 : dark red corundum (var. ruby), in bright green zoisite matrix with dark hornblende (tschermakite)Minerals: CORUNDUM ZOISITE HORNBLENDEYear: 2010Country: Tanzania
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Sample n°16333 : whitish to greenish-grey massive nodulesMinerals: OPALYear: 2010Country: Tanzania
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Sample n°1130.2 : large sheetsMinerals: PHLOGOPITEYear: 1920Country: Tanzania
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Sample n°15014 : green transparent fragmentMinerals: TOURMALINEYear: 1987Country: Tanzania
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Sample n°15015 : green translucent fragmentMinerals: TOURMALINEYear: 1987Country: Tanzania