Mineral - Graphite
Graphite
Chemical Properties
Mineral Class
Elements
Toxicity
none
Formula
C
Unit Cell
Physical Properties
Hardness
1 - 2
Streak
blackgraygray black
Density
Normal (2-3,5)
Cleavage
Fracture
Tenacity
Optical Properties
Color
blackgray
Birefringence
Luster
Metallic
Transparency
Pleochroism
Geomineralogical Properties
Crystal System
hexagonal
Point Group
Space Group
Habit
dipyramidal, massive, prismatic, tabular
Formation
Metamorphose, Magmatisch (Pegmatite)
Paragenesis
Twinning
Rarity
Common
Synonyms
Graphite