Aragonite vs Gold

Property Aragonite Gold
Formula CaCO3 Au
Crystal System Orthorhombic Cubic (Isometric)
Mineral Class 05 Carbonates and Nitrates 01 Native Elements
Mohs Hardness 3.5-4.0 2.5-3.0
Color Colorless, white, yellow, blue, green Golden yellow
Luster Vitreous Metallic
Streak White Golden yellow
Transparency Transparent Opaque
Cleavage Poor {010} None
Fracture Subconchoidal Hackly

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