Miguelromeroite

Availability

Sold

Size

1.5 x 1.5 x 1 cm - Thumbnail 

Formula

Mn₅(AsO₄)₂(AsO₃OH)₂·4H₂O (RRUFF)

Locality

Veta Negra mine, Pampa Larga dist., Copiapó, Atacama Prov., Chile

Tagged

arsenate

This is a small specimen with impressive clusters of lustrous pink prismatic Miguelromeroite to 4-5mm.

Associated with tiny green crystals that are noted to be a Cu-Mn Adamite.

Miguelromeroite from Veta Negra was originally thought to be Villyaellenite and were later found to be Miguelromeroite and re-described by Kampf in the American Mineralogist in 2009.