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A schistose metamorphic rock with glaucophane as the major (>5%) constituent. The use of prefixes (jadeite bearing glaucophane-phengite-schist) is recommended if additional minerals are present as minor or major constituents. A type of amphibole schist in which glaucophane rather than hornblende is an abundant mineral. Epidote frequently occurs, and there are quartz, albite and mica-rich varieties.
Classification of Glaucophane schistHide
Mineralogy of Glaucophane schistHide
Essential minerals - these are minerals that are required within the classification of this rock: