Calcite vs Epidote
| Property | Calcite | Epidote |
|---|---|---|
| Formula | CaCO3 | Ca2(Al,Fe)3(SiO4)(Si2O7)O(OH) |
| Crystal System | Trigonal | Monoclinic |
| Mineral Class | 05 Carbonates and Nitrates | 09 Silicates |
| Mohs Hardness | 3.0 | 6.0-7.0 |
| Color | Colorless, white, yellow, orange, blue, green | Pistachio green, yellowish-green, dark green |
| Luster | Vitreous | Vitreous |
| Streak | White | Gray |
| Transparency | Transparent | Translucent |
| Cleavage | Perfect rhombohedral {1011} | Perfect {001} |
| Fracture | Conchoidal | Uneven |