General Information:
Chemical Formula:CaFe+++H6(MoO4)4(PO4)·6(H2O)
Composition:(Molecular Weight = 938.74 gm)Calcium 4.27 %
CaIron 5.95 %
FeMolybdenum 40.88 %
MoPhosphorus 3.30 %
P Hydrogen 1.29 %
H Oxygen 44.31 %
O Empirical Formula: CaFe3+(MoO4)4(PO4)·6(H2O)
Environment:Molybdenite-fluorite deposit.
IMA Status:Approved IMA 1969
Locality:Shunak Mountains, Kazakhstan.
Name Origin:Named for Vyacheslav Gavrilovich Melkov (1911-), Russian mineralogist.
Physical Properties: Cleavage:[???] Perfect
Color:brownish yellow or lemon.
Density:2.971
Habits:Pulverulent - Forms a loose, poorly-coherent powdery mass., ,
Hardness:3 - Calcite
Luster:Earthy (Dull)
Streak:yellow
More details...
