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  3 samples matching your criteria
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        Sample n°11018 : black oreMinerals: MANGANESE OXIDESYear: 1966Country: South Africa
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        Sample n°11023 : massive, coarse crystallineMinerals: LITHIOPHORITE MANGANESE OXIDESYear: 1966Country: South Africa
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        Sample n°11024 : aggregate of pink bladesMinerals: DIASPOREYear: 1966Country: South Africa