VS
Name
—
Ca₉(Si₃O₉)₂(OH)₆·8H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Triclinic
Crystal system
—
3.5
Mohs hardness
—
2.32–2.33
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
Distinct on {001}
Cleavage
—
P-1
Space group
—
—
Structural group
—
Jnn · Approved
IMA
—
1965
Named in
—
White; colorless in thin section
Typical colors
—
Ca · Si · O · H
Elements
—