| Material | Mica (specifically Black Mica) |
| Color | Black, dark brown, or deep gray |
| Shape | Thin, flexible sheets or flakes |
| Size | Varies from fine grains to larger sheets |
| Weight | Generally light due to its thin, flexible nature |
| Density | 2.7-3.0 g/cm³ |
| Transparency | Transparent to translucent |
| Texture | Smooth, flexible, and slippery |
| Hardness | 2-3 on the Mohs scale |
| Cleavage | Perfect cleavage, splits easily into thin layers |
| Chemical Composition | Primarily silicate minerals (e.g., potassium, aluminum, magnesium) |
| Electrical Conductivity | Insulator, but may show some conductivity when heated |