Archerite
Archerite (IMA symbol: Aht[1]) is a phosphate mineral with chemical formula (K,NH4)H2PO4. It's named after Michael Archer (born 25 March 1945), professor of Biology, University of New South Wales. Its type locality is Petrogale Cave, Madura Roadhouse, Dundas Shire, Western Australia. It occurs in guano containing caves as wall encrustations and stalactites.[2][3][4]
| Archerite | |
|---|---|
 Archerite (white) on a biphosphammite crystal | |
| General | |
| Category | Mineral |
| Formula (repeating unit) | (K,NH4)H2PO4 |
| IMA symbol | Aht |
| Identification | |
| Color | White |
| Mohs scale hardness | 1-2 |
| Luster | Sub-Vitreous, Waxy, Greasy |
| Streak | White |
| Diaphaneity | Translucent |
| Specific gravity | 2.23 |
| Density | 2.23 g/cm3 |
References
- Warr, L.N. (2021). "IMA-CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- Webmineral - Archerite
- Mindat.org - Archerite
- "Handbook of Mineralogy - Archerite" (PDF). Archived from the original (PDF) on 2020-11-26. Retrieved 2013-01-26.
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