Ameghinite
Ameghinite, Na[H4B3O7][1] or NaB3O3(OH)4,[2][3] is a mineral found in Argentina. It is a soft mineral with a Mohs hardness of 2-3. Ameghinite has a monoclinic crystal system. It's IMA symbol is Agh.[4]
| Ameghinite | |
|---|---|
| General | |
| Category | Nesoborates |
| Formula (repeating unit) | NaB3O3(OH)4 |
| Strunz classification | 6.CA.10 |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | C2/c |
It was first described in 1967 for an occurrence in the Tincalayu Mine, Salar Del Hombre Muerto, Salta, Argentina.[1] It was named for Argentine geologist brothers, Carlos Ameghino (1865–1936) and Florentino Ameghino (1854–1911).[2]
References
- Mindat.org
- Handbook of Mineralogy
- Webmineral data
- Warr, L.N. (2021). "IMA-CNMNC approved mineral symbols". Mineralogical Magazine. 85: 291–320.
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