Graphite natural flakes
Natural graphite is a metal. The layers are stacked together via van der Waals interactions and can be exfoliated into thin 2D layers.
The natural crystals have a typical shape of ~0.1 cm, and have a metallic appearance.
| Crystal size | ~1 mm |
| Electrical properties | Metal |
| Crystal structure | Hexagonal |
| Unit cell parameters | a = b =0.246, c = 0.667 nm, α = β = 90°, γ =120° |
| Type | Natural |