VS
Name
—
Pb₅(SiO₄)₁.₅(SO₄)₁.₅Cl
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
—
Mohs hardness
—
6.96
Specific gravity
—
White
Streak
—
Adamantine
Luster
—
On {0001}, or a parting
Cleavage
—
P6_3/m
Space group
—
Apatite
Structural group
—
Mhd · Approved
IMA
—
1985
Named in
—
Creamy white to pinkish; colorless in transmitted light
Typical colors
—
Pb · Si · O · S · Cl
Elements
—