VS
Name
—
CaZrAl₉O₁₅(BO₃)
Formula
—
Mineral Species
Entry type
—
Borates
Chemical class
—
Hexagonal
Crystal system
—
8
Mohs hardness
—
4.01–4.03
Specific gravity
—
white
Streak
—
vitreous
Luster
—
—
Cleavage
—
P6_3/m
Space group
—
—
Structural group
—
Pai · Grandfathered
IMA
—
1957
Named in
—
Brown, Red, Black
Typical colors
—
Ca · Zr · Al · O · B
Elements
—