Aldermanite
| Aldermanite | |
|---|---|
 | |
| General | |
| Category | Phosphate minerals |
| Formula (repeating unit) | [Mg(H2O)6][Na(H2O)2Al3(PO4)2(OH,F)6 · H2O |
| IMA symbol | Adm[1] |
| Crystal system | Monoclinic |
| Crystal class | 2/m - Prismatic |
| Identification | |
| Color | Colorless |
| Tenacity | Brittle |
| Mohs scale hardness | 2 |
| Luster | Sub-vitreous, pearly |
| Density | 2.1 g cm−1 (calculated) |
| References | [2] |
Aldermanite is a rare hydrated phosphate mineral with formula Mg5Al12(PO4)8(OH)22·32H2O.[3][2][4] It is named after Arthur Richard Alderman (1901–1980), Professor of Geology and Mineralogy, University of Adelaide. Its type locality is Moculta Phosphate Quarry (Klemm's Quarry), Angaston, Barossa Valley, North Mount Lofty Ranges, Mount Lofty Ranges, South Australia, Australia.
References[edit]
- ^ 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.
- ^ a b http://www.mindat.org/min-104.html Mindat
- ^ Harrowfield I. R., Segnit E. R. and Watts J. A. 1981: Aldermanite, a New Magnesium Aluminium Phosphate. Mineralogical Magazine, 44(333), 59-62 - [1] Archived 2016-03-03 at the Wayback Machine
- ^ http://www.handbookofmineralogy.org/pdfs/aldermanite.pdf Handbook of Mineralogy
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