Wulfenite (Molybdate)
PbMoO4Hardness: 3.0
Specific Gravity: 6.7 - 7.0
Characteristics: Usually orange red; vitreous, resinous, or adamantine luster; white streak; very dense; transparent to translucent; tabular tetragonal crystals; dissolves slowly in strong acids.
Found in oxidized lead deposits.
Wulfenite is a minor source of molybdenum; collected as mineral specimens.
(Primary text: Perkins, D. 2002. Mineralogy. Prentice Hall.)