General Information:
Chemical Formula:Fe+++2(MoO4)3·8(H2O)
Composition:(Molecular Weight = 717.61 gm)Iron 15.56 %
FeMolybdenum 40.11 %
MoHydrogen 1.97 %
H Oxygen 42.36 %
O Empirical Formula: Fe3+2(MoO4)3·7(H2O)
Environment:Molybdenite mines.
Locality:Siberia, Russia.
Name Origin:Named from its chemical composition.
Physical Properties: Cleavage:[001] Distinct
Color:yellow, canary yellow, or sulfur yellow.
Density:4 - 4.5, Average = 4.25
Habits:Earthy - Dull, clay-like texture with no visible crystalline affinities, (e.g. howlite)., Scaly - Morphology like fish scales., Fibrous - Crystals made up of fibers.
Hardness:2.5-3 - Finger Nail-Calcite
Luster:Silky
Streak:light yellow
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