VS
Name
—
Ba(Al₂Si₂O₈)
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
6
Mohs hardness
—
3.29–3.32
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
{110}, poor; (110) ^ (110) = 87 ±
Cleavage
—
P2_1/a
Space group
—
Danburite
Structural group
—
Pcls · Grandfathered
IMA
—
1905
Named in
—
Colorless to white, pale yellow
Typical colors
—
Ba · Al · Si · O
Elements
—