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  26 samples matching your criteria
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        Sample n°3214 : black pyramidal crystal (6 cm)Minerals: FERBERITEYear: 1952Country: Congo (RDC)
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        Sample n°3215 : black crystal (6 cm)Minerals: FERBERITEYear: 1952Country: Congo (RDC)
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        Sample n°3216 : black crystal (7 cm)Minerals: FERBERITEYear: 1952Country: Congo (RDC)
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        Sample n°3217 : black pyramidal crystal (4 cm)Minerals: FERBERITEYear: 1952Country: Congo (RDC)
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        Sample n°3218 : various black crystals (4 cm)Minerals: FERBERITEYear: 1952Country: Congo (RDC)
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        Sample n°3219 : group of brown crystals in pegmatiteMinerals: CASSITERITEYear: 1952Country: Congo (RDC)
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        Sample n°3220 : damaged crystal (10 cm)Minerals: FERBERITEYear: 1952Country: Congo (RDC)
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        Sample n°3221 : brown massive block (10 cm)Minerals: CASSITERITEYear: 1952Country: Congo (RDC)
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        Sample n°3222 : vacuolar crystal (5 cm)Minerals: FERBERITEYear: 1952Country: Congo (RDC)
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        Sample n°3223 : various crystals (3-5 cm)Minerals: FERBERITEYear: 1952Country: Congo (RDC)