Aragonite vs Galena

Property Aragonite Galena
Formule CaCO3 PbS
Système Cristallin Orthorhombic Cubic (Isometric)
Classe Minérale 05 Carbonates and Nitrates 02 Sulfides and Sulfosalts
Dureté Mohs 3.5-4.0 2.5-2.8
Couleur Colorless, white, yellow, blue, green Lead-gray
Éclat Vitreous Metallic
Trait White Lead-gray
Transparence Transparent Opaque
Clivage Poor {010} Perfect cubic {001}
Cassure Subconchoidal Subconchoidal

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