VS
Name
—
Ca₄(SiO₃)₃(OH)₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Triclinic
Crystal system
—
3
Mohs hardness
—
2.73
Specific gravity
—
—
Streak
—
Silky
Luster
—
Distinct on {001}
Cleavage
—
P-1
Space group
—
—
Structural group
—
Fos · Grandfathered
IMA
—
1925
Named in
—
White; colorless in thin section
Typical colors
—
Ca · Si · O · H
Elements
—