Category Phosphate minerals Strunz classification 8.AC.30 Space group P21/a | Formula
(repeating unit) Na2CaMg(PO4)2 Crystal system Monoclinic | |
Crystal class Prismatic (2/m)
(same H-M symbol) | ||
Brianite is a phosphate mineral with the chemical formula Na2CaMg(PO4)2. It was first identified in an iron meteorite. This mineral is named after Brian Harold Mason (1917–2009), a pioneer in meteoritics.
It was first reported from the Dayton meteorite in Montgomery County, Ohio in 1966. It occurs in phosphate nodules within the meteorite. Associated minerals include: panethite, whitlockite, albite, enstatite, schreibersite, kamacite, taenite, graphite, sphalerite and troilite.
References
Brianite Wikipedia(Text) CC BY-SA