optical-mineralogy
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optical-mineralogy:S-tectonite with muscovite and quartz in...
optical-mineralogy:Labradorite
optical-mineralogy:S-tectonite with muscovite and quartz in thin...
optical-mineralogy:Websterite in thin sectionClinopyroxene...
optical-mineralogy:This rock is predominantly composed of...
optical-mineralogy:Alkali Feldspar GraniteQuartz, alkali...
optical-mineralogy:Alkali Feldspar crystals are large in this...
optical-mineralogy:The plagioclase in this thin section has...
optical-mineralogy: Alkali Feldspar Granite Quartz, alkali feldspar and muscovite.
optical-mineralogy: The plagioclase in this thin section has polysynthetic twinning. The orthopyroxe
optical-mineralogy: This rock is composed predominantly of plagioclase feldspar that are large euhed
optical-mineralogy: Gabbronorite in thin section Plagioclase Feldspar (anorthite) Clinopyroxene Orth
optical-mineralogy:AnorthositePlagioclase Feldspar (polysynthetic twinning)Clinopyroxene
optical-mineralogy:Olivine groundmass with an orthopyroxene phenocryst
optical-mineralogy:Labradorite
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