Mass of light brown sharp thorn-like Wulfenite crystals with tiny sharp pyramidal Wulfenites making this piece resemble a thorny tumble weed. These are some of the most bizarre Wulfenite crystals I've ever seen!
The David Shannon label that comes with this piece mentions that this was likely colllected pre 1970in the lower diggings that have been filled for decades. It also notes that this piece is from the AZ Mining & Mineral Collection.
Wulfenite
Formula
PbMoO4
Crystal System
Tetragonal
Crystal Habit
Tabular, Pyramidal
Cleavage
Imperfect, None, None
Luster
Resinous - Greasy
Color
orange yellow, waxy yellow, yellowish gray, olive green, brown