VS
Name
—
Pb₅(As³⁺O₃)₃Cl
Formula
—
Mineral Species
Entry type
—
Halides
Chemical class
—
Hexagonal
Crystal system
—
2.5
Mohs hardness
—
7.265
Specific gravity
—
—
Streak
—
Subadamantine
Luster
—
{1011}, distinct
Cleavage
—
P6_3/m
Space group
—
Apatite
Structural group
—
Fnn · Grandfathered
IMA
—
1923
Named in
—
Gray to black; pale olive-green in transmitted light
Typical colors
—
Pb · As · O · Cl
Elements
—