CRYPTOMELANE, PSILOMELAN GROUP (MINERALOGY)
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BTMANGANITES + PLUMBATES (MINERALOGY)
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UDC549.748.4*9
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Descriptor GERKRYPTOMELAN, PSILOMELAN GRUPPE (MINERALOGIE)
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Descriptor ENGCRYPTOMELANE, PSILOMELAN GROUP (MINERALOGY)
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Descriptor FRECRYPTOMELANE, GROUPE DES PSILOMELANES (MINÉRALOGIE)
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Variant GERPSILOMELAN (MINERALOGIE)
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Variant ENGPSILOMELANE (MINERALOGY)
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Variant FREPSILOMELANE (MINÉRALOGIE)