VS
Name
—
Fe²⁺₂Si₂O₆
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
6
Mohs hardness
—
3.96
Specific gravity
—
white
Streak
—
vitreous
Luster
—
Good on {210}, (210) ^ (210) ~88°; partings on {100}, {010}
Cleavage
—
Pbca
Space group
—
Pyroxene
Structural group
—
Fs · Approved
IMA
—
1935
Named in
—
Brown, Green, Black
Typical colors
—
Fe · Si · O
Elements
—