VS
Name
—
Ca₄Si₂O₆(CO₃)(OH)₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
4
Mohs hardness
—
2.77
Specific gravity
—
—
Streak
—
—
Luster
—
—
Cleavage
—
Bmmb
Space group
—
—
Structural group
—
Fk · Approved
IMA
—
1976
Named in
—
White to pale brown; colorless in transmitted light
Typical colors
—
Ca · Si · O · C · H
Elements
—