VS
Name
—
Ca₃Si₆O₁₅·7H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Triclinic
Crystal system
—
—
Mohs hardness
—
2.21–2.24
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
Distinct on {010}
Cleavage
—
P1
Space group
—
—
Structural group
—
Nk · Grandfathered
IMA
—
1956
Named in
—
White
Typical colors
—
Ca · Si · O · H
Elements
—