VS
Name
—
NaV³⁺Si₂O₆
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
7
Mohs hardness
—
3.55
Specific gravity
—
Green
Streak
—
Vitreous to silky
Luster
—
{110}, distinct; parting on {001}
Cleavage
—
C2/c
Space group
—
Pyroxene
Structural group
—
Nta · Approved
IMA
—
1984
Named in
—
Bright green with a tinge of yellow; in transmitted light, emerald-green to yellow
Typical colors
—
Na · V · Si · O
Elements
—