Calcite vs Copper
| Property | Calcite | Copper |
|---|---|---|
| Formule | CaCO3 | Cu |
| Système Cristallin | Trigonal | Cubic (Isometric) |
| Classe Minérale | 05 Carbonates and Nitrates | 01 Native Elements |
| Dureté Mohs | 3.0 | 2.5-3.0 |
| Couleur | Colorless, white, yellow, orange, blue, green | Copper-red, tarnishes to brown/green |
| Éclat | Vitreous | Metallic |
| Trait | White | Copper-red |
| Transparence | Transparent | Opaque |
| Clivage | Perfect rhombohedral {1011} | None |
| Cassure | Conchoidal | Hackly |