Stercorite
| Stercorite | |
|---|---|
| General | |
| Category | Phosphate minerals |
| Formula | (NH4)NaHPO4 |
| IMA symbol | Stc |
| Strunz classification | 8.CJ.05 |
| Crystal system | Triclinic |
| Crystal class | Pinacoidal (1) (same H-M symbol) |
| Space group | P1 |
| Identification | |
| Formula mass | 137.0077 g/mol |
| Mohs scale hardness | 2 |
| Luster | Vitreous |
| Diaphaneity | Transparent |
| Density | 1.615 g/cm3 |
| Melting point | 79 °C (174 °F) |
| Fusibility | Fusible |
| Solubility | Water soluble |
Stercorite is the mineral form of microcosmic salt. The name comes from the Latin "stercus", meaning dung, since the mineral was originally discovered among guano.