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Ameghinite

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Ameghinite
General
CategoryNesoborates
Formula
(repeating unit)
NaB3O3(OH)4
IMA symbolAgh
Strunz classification6.CA.10
Crystal systemMonoclinic
Crystal classPrismatic (2/m)
(same H-M symbol)
Space groupC2/c

Ameghinite, Na or NaB3O3(OH)4, 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 was first described in 1967 for an occurrence in the Tincalayu Mine, Salar del Hombre Muerto, Salta, Argentina. It was named for Argentine geologist brothers, Carlos Ameghino (1865–1936) and Florentino Ameghino (1854–1911).

References

  1. 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.
  2. ^ Mindat.org
  3. ^ Handbook of Mineralogy
  4. Webmineral data
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