The Scheelite Group

Property Value
Formula CaWO4
WO3 content (%) 80.6
Specific Gravity 5.4 – 6.1 gr/cc
Form massive and small grains, tetragonal crystals
Color pale yellow, brown, or white
Luster vitreous/resinous
Diaphaneity transparent/translucent
Streak white
Crystal Structure tetragonal
Cleavage good in 4 directions
Fracture uneven
Hardness 4.5 – 5 Mohs
Magnetism none