Category Silicate mineral Strunz classification 9.DB.05 Space group Ccca | Formula
(repeating unit) MnVAlSi2O6(OH)4 Crystal system Orthorhombic | |
Crystal class Dipyramidal (mmm)
H-M symbol: (2/m 2/m 2/m) | ||
Vanadiocarpholite (Mn+2V+3AlSi2O6(OH)4) is straw yellow to brown silicate mineral. It crystallizes in the orthorhombic crystal system. It is the vanadium rich variety of carpholite (Mn+2Al2Si2O6(OH)4).
Contents
Discovery and occurrence
It was first described in 2005 for an occurrence in the Molinello Mine, Graveglia Valley, Genova Province, Liguria, Italy. It occurs in chert in a manganese ore deposit as vein fillings in silicified wood.
Chemical composition
It consists of:
References
Vanadiocarpholite Wikipedia(Text) CC BY-SA