VS
Name
—
Be₃Zn₄(SiO₄)₃S
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Cubic
Crystal system
—
6.5
Mohs hardness
—
3.44–3.7
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
Poor on {111}, {111}
Cleavage
—
P-43n
Space group
—
Cancrinite-sodalite, Sodalite
Structural group
—
Ghv · Grandfathered
IMA
—
1944
Named in
—
Red, pink, yellow, pale green, emerald-green; colorless or pink in thin section
Typical colors
—
Be · Zn · Si · O · S
Elements
—