Ameghinite, NaH4boron">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
Salar del Hombre Muerto () is a salt pan (geology), salt pan in Argentina, in the Antofagasta de la Sierra Department on the border between the Salta Province, Salta and Catamarca Provinces. It covers an area of and is in part covered by debris. ...
,
Salta
Salta () is the capital and largest city in the Provinces of Argentina, Argentine province of Salta Province, the same name. With a population of 618,375 according to the 2010 census, it is also the List of cities in Argentina, 7th most-populous ...
, Argentina.Mindat.org /ref> It was named for Argentine geologist brothers,
Carlos Ameghino
Carlos Ciriaco Ameghino (16 June 1865 – 12 April 1936) was an Argentine paleontologist and explorer who accompanied his brother Florentino Ameghino throughout Argentina searching for fossils.
Scientific career
Carlos Ameghino was educated ...
(1865–1936) and
Florentino Ameghino
Florentino Ameghino (born Giovanni Battista Fiorino Giuseppe Ameghino; September 19, 1853 – August 6, 1911) was an Argentine naturalist, paleontologist, anthropologist and zoologist, whose fossil discoveries on the Argentine Pampas, especial ...