Optical Mineralogy Gallery
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optical-mineralogy: The plagioclase in this thin section has polysynthetic twinning. The orthopyroxe
Alkali Feldspar crystals are large in this thin section. The alkali feldspar have subhedral crystals
Working on polishing my samples for reflective light microscopy. This sample is a pyroxenite from Ho
Olivine groundmass with an orthopyroxene phenocryst
Websterite in thin section Clinopyroxene and orthopyroxene with few anhedral plagioclase crystals in
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