Sandstone is a clastic sedimentary rock composed mainly of sand-sized (0.0625 to 2 mm) silicate grains (usually quartz or feldspar).
#Sandstone's Physical Properties
1. Color: **variable; but can be grey, yellow, red, or white**
2. Streak:
3. Luster:
4. Cleavage/fracture:
5. Hardness: **6-7**
6. Tenacity:
7. Specific Gravity: