Aplowite
CoSO4 • 4H2O [CNMNC approved formula]
Named for Albert Peter Low (1861-1942), Canadian geologist, former Director of the Geological Survey of Canada.
| IMA status : | Approved Species 1965 (IMA1963-009) |
| CLASSIFICATION | |
| Dana (8th edition) : |
29.06.06.04 |
| (29) Hydrated Acid and Sulfates | |
| (29.06) where A XO4 · x(H2O) | |
| (29.06.06) Rozenite Group (Monoclinic) | |
| Nickel-Strunz (10th edition) : |
07.CB.15 |
| (07) Sulfates (selenates, tellurates, chromates, molybdates, wolframates) | |
| (07.C) Sulfates (selenates, etc.) without Additional Anions, with H2O | |
| (07.CB) With only medium-sized cations | |
| Crystal system: | Monoclinic System |
| Point group (H-M): | 2/m — prismatic |
| Unit cell: | a = 5.94 Å, b = 13.56 Å, c = 7.9 Å, b = 90.5° |
| Crystal Habit: | As finely granular efflorescences |
| Color: | Pink |
| Diaphaneity: | Transparent |
| Luster: | Vitreous |
| Hardness (Mohs): | 2.5 to 3 |
| Measured Density: | 2.0 to2.33 g/cm3 |
| Streak: | White |
| Geologic Setting: | As efflorescences with sulfides (probably cobaltian and nickelian pyrite) on siderite–barite matrix from a hydrothermal Pb–Zn–Cu orebody associated with a large barite deposit. |
| Mineral Association: | Moorhouseite, siderite, barite |
| Other Properties: | H2O Soluble. |