VS
Name
—
Be₃Fe²⁺₄(SiO₄)₃S
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Cubic
Crystal system
—
5.5–6
Mohs hardness
—
3.28–3.46
Specific gravity
—
—
Streak
—
Vitreous or greasy
Luster
—
Poor on {111}, {111}
Cleavage
—
P-43n
Space group
—
Cancrinite-sodalite, Sodalite
Structural group
—
Dan · Grandfathered
IMA
—
1866
Named in
—
Yellow, pink, reddish brown, red; in thin section, colorless to pink
Typical colors
—
Be · Fe · Si · O · S
Elements
—