CAMPTONITE (PETROGRAPHY)
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BTCAMPTONITE + MONCHIQUITE + LAMPROPHYRE, ALCALINE (PETROGRAPHY)
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UDC552.332.4*1
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Descriptor GERCAMPTONIT (PETROGRAPHIE)
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Descriptor ENGCAMPTONITE (PETROGRAPHY)
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Descriptor FRECAMPTONITE (PÉTROGRAPHIE)