Name | calcite |
Category | |
Formula | CaCO3 |
Crystal system | trigonal |
Color | typically white to colorless; sometimes also gray, yellow, brown, orange, red, green or even blue |
Streak | white |
Luster | vitreous to pearly |
Crystal habit | crystalline, granular, stalactitic, concretionary, massive, rhombohedral |
Mohs hardness | 3 (definition mineral) |
Specific weight | 2.7 |
Uses | production of lime (industrial scale), acid neutralization, abrasive, soil conditioner, high-grade optical instruments |
Other |