Ferrimolybdite
Chemical Formula	Fe2MoO43·8H2O
Species	Molybdates & Tungstates
Crystal System	Orthorhombic
Mohs Scale	1-2
Specific Gravity	3.085
Color	Yellow, canary yellow, or sulfur yellow, greenish yellow; colourless to canary-yellow in transmitted light
Streak	Light yellow
Luster	Adamantine, Silky, Earthy
Refractive Index	n = 1.720 - 1.810 n = 1.730 - 1.830 n = 1.850 - 2.040
Diaphaneity	Transparent, Translucent
Crystal Habit：Crystals needlelike to fibrous forming crusts; tufted to radial aggregates; powdery, earthy, films, massive.
Geological Setting：Oxidztion zones of molybdenum-bearing deposits