Ameghinite

Ameghinite
General
Category Nesoborates
Formula
(repeating unit)		 NaB3O3(OH)4
Strunz classification 6.CA.10
Crystal system Monoclinic
Crystal class Prismatic (2/m)
H-M symbol: (2/m)
Space group C2/c

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 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

  1. 1 2 Mindat.org
  2. 1 2 Handbook of Mineralogy
  3. ↑ Webmineral data


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