Cinnabar
| Cinnabar | |
|---|---|
 Cinnabar on Dolomite | |
| General | |
| Category | Mineral |
| Chemical formula | mercury(II) sulfide, HgS |
| Identification | |
| Color | Brownish-red |
| Crystal habit | Rhombohedral to tabular. Granular to massive |
| Crystal system | Trigonal – Trapezohedral |
| Cleavage | Prismatic, perfect |
| Fracture | Uneven to subconchoidal |
| Mohs scale hardness | 2-2.5 |
| Luster | Adamantine to dull |
| Streak | Scarlet |
| Specific gravity | 8.176 |
| Optical properties | Uniaxial ( ) |
| Refractive index | nω = 2.905 nε = 3.256 |
| Birefringence | δ = 0.351 |
| Solubility | 1.04 x 10-25 g per 100 ml water (Ksp at 25 °C = 2 x 10-32)[1] |
| References | [2][3][4] |
Cinnabar
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Itokasi
[àtúnṣe | àtúnṣe àmìọ̀rọ̀]- ↑ Meyers, J. (1986), Chem. Ed., 63, p. 689 Check date values in:
|access-date=(help); Missing or empty|title=(help); - ↑ Mineral Handbook
- ↑ Mindat
- ↑ Webmineral