#Calcite's Physical Properties
1. Color: **white, but can be colorless, gray, red, green, blue, yellow, brown, or orange **
2. Streak: **white**
3. Luster: **vitreous**
4. Cleavage/fracture: **3 cleavage planes (perfect rhombohedral)**
5. Hardness: **3**
6. Tenacity: **brittle**
7. Specific Gravity: **2.7**