VS
Name
—
Ca₅Si₂O₇(CO₃)₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
—
Mohs hardness
—
2.82–2.84
Specific gravity
—
—
Streak
—
Dull
Luster
—
Perfect on {201}; poor on {100} and {010}; very poor on {001}
Cleavage
—
P2_1/a
Space group
—
—
Structural group
—
Tly · Grandfathered
IMA
—
1933
Named in
—
White; colorless in thin section
Typical colors
—
Ca · Si · O · C
Elements
—