Aragonite vs Galena

Property Aragonite Galena
Fórmula CaCO3 PbS
Sistema Cristalino Orthorhombic Cubic (Isometric)
Classe Mineral 05 Carbonates and Nitrates 02 Sulfides and Sulfosalts
Dureza Mohs 3.5-4.0 2.5-2.8
Cor Colorless, white, yellow, blue, green Lead-gray
Brilho Vitreous Metallic
Traço White Lead-gray
Transparência Transparent Opaque
Clivagem Poor {010} Perfect cubic {001}
Fratura Subconchoidal Subconchoidal

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