VS
Name
—
Ca₃Si₃O₈(OH)₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Triclinic
Crystal system
—
4.5–5
Mohs hardness
—
2.89
Specific gravity
—
—
Streak
—
—
Luster
—
Perfect on {001}, good on {100} and {010}
Cleavage
—
P-1
Space group
—
—
Structural group
—
Rhh · Approved
IMA
—
1965
Named in
—
Colorless to buff or light yellow
Typical colors
—
Ca · Si · O · H
Elements
—