General Information:
Chemical Formula:
NaAl4Fe+++7(PO4)5(P+++++Mo++++++12O40)(OH)16·56(H2O)
Composition:
(Molecular Weight = 4,099.90 gm)
Sodium 0.56 % Na
Aluminum 2.63 % Al
Iron 9.54 % Fe
Molybdenum 28.08 % Mo
Phosphorus 4.53 % P
Hydrogen 3.15 % H
Oxygen 51.51 % O
Empirical Formula:
NaAl4Fe3+7(PO4)5PMo12O40(OH)16·56(H2O)
Environment:
Biotite rich molybdenum-bearing pegmatite.
IMA Status:
Approved IMA
Locality:
Cumobabi, SW of Cumpas, Sonora, Mexico.
Name Origin:
Named for the similarity to mendozavilite.
Physical Properties:
Cleavage:
[???] Perfect
Color:
yellow or light yellow.
Density:
3.35
Hardness:
1 - Talc
Luster:
Vitreous (Glassy)
Streak:
yellow white
More details...