Graphite / RU Geology / by Grace Psenicska

Description

#Graphite's Physical Properties 1. Color: **steel gray to black** 2. Streak: **black** 3. Luster: **metallic** 4. Cleavage/fracture: **one direction of cleavage (perfect basal)** 5. Hardness: **1-2** 6. Tenacity: **flexible non-elastic** 7. Specific Gravity: **2.1-2.3**