VS
Name
—
Be₂(SiO₄)
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
7.5–8
Mohs hardness
—
2.93–3
Specific gravity
—
white
Streak
—
Vitreous
Luster
—
Distinct on {1120}, imperfect on {1011}
Cleavage
—
R-3
Space group
—
Phenakite
Structural group
—
Phk · Grandfathered
IMA
—
1833
Named in
—
Colorless, White, Yellow, Pink, Brown
Typical colors
—
Be · Si · O
Elements
—