Ameghinite
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Ameghinite, Na H4boron">B3oxygen">O7">hydrogen">H4boron">B3oxygen">O7ref name=Mindat/> or NaB3O3(OH)4,Webmineral data
/ref> 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 Salta () is the capital and largest city in the Argentine province of the same name. With a population of 618,375 according to the 2010 census, it is also the 7th most-populous city in Argentina. The city serves as the cultural and economic ce ...
, Argentina.Mindat.org
/ref> It was named for Argentine geologist brothers, Carlos Ameghino (1865–1936) and Florentino Ameghino (1854–1911).Handbook of Mineralogy
/ref>


References

Nesoborates Monoclinic minerals Minerals in space group 15 {{mineral-stub