VS
Name
—
(Ca,Na)(Mg,Fe,Al)Si₂O₆
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
5–6
Mohs hardness
—
3.16–3.43
Specific gravity
—
white
Streak
—
Vitreous to silky
Luster
—
Good on {110}, (110) ^ (110) ~87°; parting on {100}
Cleavage
—
P2/n
Space group
—
Pyroxene
Structural group
—
Omp · Approved
IMA
—
1815
Named in
—
Green
Typical colors
—
Ca · Na · Mg · Fe · Al · Si · O
Elements
—