Input interpretation
sulphohalite (mineral) | efremovite (mineral)
Images
Images
General properties
| sulphohalite | efremovite alternate names | sulfohalite | (none) formula | Na_6(SO_4)_2FCl | (NH_4)_2Mg_2(SO_4)_3 discovery year | | 1989
Basic properties
| sulphohalite | efremovite density | 2.43 g/cm^3 | 2.48 g/cm^3 transparency | transparent | subtranslucent | opaque luster | vitreous | greasy | vitreous | dull Mohs hardness | 3.5 | 2 streak | white | white magnetism | nonmagnetic | nonmagnetic color | colorless | green yellow | gray | grayish yellow | light green yellow | gray white | white fracture | subconchoidal | molar mass | 384.5 g/mol | 372.9 g/mol
Units
Mineral identifiers
| sulphohalite | efremovite Strunz ID | VI/B.12-10 | VI/A.03-30 Dana ID | 30.1.7.1 | 28.4.4.3 IMA number | | IMA1987-033a
Crystallographic properties
| sulphohalite | efremovite crystal system | cubic | cubic crystal class | 4/m-32/m | 23 unit cell volume | 1020 Å^3 (cubic ångströms) | 997 Å^3 (cubic ångströms) d-spacing | 3.56 Å (ångströms) | 2.91 Å (ångströms) | 1.779 Å (ångströms) | 3.15 Å (ångströms) | 4.07 Å (ångströms) | 2.668 Å (ångströms) intensity | 100% | 80% | 65% | 100% | 70% | 50% molecules per unit cell | 4 molecules per cell | 4 molecules per cell unit cell lengths | 10.07 Å (ångströms) | 10.07 Å (ångströms) | 10.07 Å (ångströms) | 9.99 Å (ångströms) | 9.99 Å (ångströms) | 9.99 Å (ångströms) unit cell angles | 90° (degrees) | 90° (degrees) | 90° (degrees) | 90° (degrees) | 90° (degrees) | 90° (degrees)