Category Phosphate mineral Space group I2/m | Crystal system Monoclinic | |
Formula
(repeating unit) MgMn4(Fe0.5Al0.5)4Zn4(PO4)8(OH)4(H2O)20 Crystal class Prismatic (2/m)
(same H-M symbol) Unit cell a = 25.33, b = 6.30
c = 15.16 [Å], β = 90.93° (approximated) | ||
Ferraioloite is a rare mineral with formula MgMn2+4(Fe2+0.5Al0.5)4Zn4(PO4)8(OH)4(H2O)20. It is related to the phosphate mineral falsterite. Ferraioloite was found in pegmatites of the Foote Lithium Company Mine, Cleveland County, North Carolina, US. The name honors James (Jim) A. Ferraiolo (1947–2014).
References
Ferraioloite Wikipedia(Text) CC BY-SA