| Carnallite
III - Halogenides |
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| Name | Carnallite | |
| Chemistry | KMgCl3·6H2O | |
| Hardness | 1 - 2 | |
| Lustre | greasy - vitreous | |
| Colour | colourless, white, yellow, often red (hematite inclusions) | |
| Streak | white | |
| Density [g/cm3] | 1.6 | |
| Crystal habit | orthorhombic, crystals rarely, tabular, pseudo-hexagonal | |
| Cleavage, Fracture | fracture conchoidal | |
| other characteristics and occurrences | coarse grained, disseminated, with halite (NaCl) and anhydrite (CaSO4), formed in marine evaporite environment | |