VS
Name
—
CaFe²⁺Si₂O₆
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
5.5–6.5
Mohs hardness
—
3.56
Specific gravity
—
greenish-white
Streak
—
Vitreous or dull
Luster
—
Good on {110}, (110) ^ (110) ~87°; partings on {100} and {010}
Cleavage
—
C2/c
Space group
—
Pyroxene
Structural group
—
Hd · Approved
IMA
—
1819
Named in
—
Green, Brown, Black
Typical colors
—
Ca · Fe · Si · O
Elements
—