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Graphite
Graphite
Mineral Properties and Uses
Physical Properties of Graphite |
| Uses |
pencil lead, oil, lubricant |
| Color |
black |
| Streak |
black |
| Luster |
dull metallic |
| Diaphaneity |
opaque |
| Cleavage |
perfect |
| Mohs Hardness |
1 - 2 |
| Specific Gravity |
2.1 - 2.3 |
| Distinguishing Characteristics |
color, streak, feel, specific gravity |
| Crystal System |
hexagonal |
| Graphite in schist from Essex County, New York. Specimen is approximately 5 inches (12.7 centimeters) across. |
| Graphite in schist from Essex County, New York.
Specimen is approximately 5 inches (12.7 centimeters) across. |
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| Graphite from Madagascar. These are grain size flakes of graphite. |
| Graphite from Kropfmuhl, Austria. Specimen is approximately 1-1/2 inches (3.8 centimeters) across. |
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