Wulfenite

Mineral PbMoO4

Take care.

About it

Thin square plates of lead molybdate in honey, orange, and red, heavy for their size and easily chipped. Famous from the Red Cloud mine in Arizona, Los Lamentos in Mexico, and Mežica in Slovenia.

Type
Mineral
Group
Molybdate, scheelite group
Formula
PbMoO4
Hardness (Mohs)
2.5–3
Specific gravity
6.5–7
Streak
white
Lustre
adamantine (diamond-like), resinous
Crystal system
Tetragonal
Colours
yellow, orange, red, brown, grey, colourless
Transparency
transparent, translucent
Cleavage and fracture
distinct pyramidal; subconchoidal fracture

Typical values: real specimens vary. For more, see mindat.org.