How to identify it
Unique Characteristics or Properties
Wolfenite has characteristic flattish square crystals. The image on the right has the characteristic square crystals, but is more three dimensional than most examples. It can also naturally form crystals that look like already cut gemstones. Individual crystals can grow up to four inches per edge on some specimens.
Where to find it
The Northwest: N/A
Other: Mexico, Zambia, Slovenia, China, Yuma Arizona, Austria
It is a minor source of molybdenum, other than that it is a rock for collectors only.
How it was Made
Forms in thin square plates or tabular crystals. It forms where lead and molydenum oxidize together.
Pristine examples can have a host of flat squares that look so perfect it’s hard to believe they’re natural.
More Information on the Web: Webmineral Mindat