PYROXENES/ORTHORHOMBIC SERIES (MINERALOGY)
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BTPYROXENE GROUP (MINERALOGY)
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UDC549.642.1
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Descriptor GERPYROXENE/ORTHORHOMBISCHE REIHE (MINERALOGIE)
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Descriptor ENGPYROXENES/ORTHORHOMBIC SERIES (MINERALOGY)
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Descriptor FREPYROXENES/SERIE ORTHORHOMBIQUE (MINÉRALOGIE)
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NTBRONZITE (MINERALOGY)
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NTENSTATITE (MINERALOGY)
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NTHYPERSTHENE (MINERALOGY)