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#hedenbergite #hedenite #pyroxene #dark green mineral #black mineral #silicate

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#hedenbergite #hedenite #dark mineral #green black mineral #pyroxene aesthetic

CaFeSi₂O₆💎

#hedenbergite #hedenite #mineral composition #calcium iron silicate #pyroxene #crystallography

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#hedenbergite #hedenite #pyroxene group #mineral identification #skarn mineral