VS
Name
—
NaAlSi₂O₆
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
6–7
Mohs hardness
—
3.24–3.43
Specific gravity
—
White
Streak
—
Subvitreous, pearly on cleavages
Luster
—
Good on {110}, (110) ^ (110) ~87°
Cleavage
—
C2/c
Space group
—
Pyroxene
Structural group
—
Jd · Approved
IMA
—
1863
Named in
—
Green, White, Colorless, Brown, Purple, Orange, Black
Typical colors
—
Na · Al · Si · O
Elements
—