VS
Name
—
Cu²⁺₄FCl(OH)₆
Formula
—
Mineral Species
Entry type
—
Halides
Chemical class
—
Hexagonal
Crystal system
—
—
Mohs hardness
—
3.9
Specific gravity
—
—
Streak
—
Pearly
Luster
—
Perfect on {0001}; distinct on {1010} and {1120}
Cleavage
—
P6_3/mmc
Space group
—
Claringbullite
Structural group
—
Cgb · Approved
IMA
—
1976
Named in
—
Blue; pale blue in transmitted light
Typical colors
—
Cu · F · Cl · O · H
Elements
—