VS
Name
—
Be₃Al₂Si₆O₁₈
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
7.5–8
Mohs hardness
—
2.63–2.8
Specific gravity
—
White
Streak
—
Vitreous, resinous
Luster
—
Imperfect on {0001}
Cleavage
—
P6/mcc
Space group
—
Beryl
Structural group
—
Brl · Grandfathered
IMA
—
0
Named in
—
Green, Blue, Yellow, Pink, Colorless, White
Typical colors
—
Be · Al · Si · O
Elements
—