闪锌矿

Corundum (Variety: Ruby) with Pyrite and Sphalerite 刚玉（红宝石品种）伴黄铁矿和闪锌矿 English Description Minerals: Corundum (Variety: Ruby) – Al₂O₃, Pyrite – FeS₂, Sphalerite – ZnS Locality: Madikeri area, Kodagu District, Karnataka, India Dimensions: 10.90 cm x 6.50 cm x 5.45 cm Weight: 430 grams Description: This specimen features a well-formed ruby crystal embedded in a matrix of pyrite…