VS
Name
—
CaSnSi₃O₉·2H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
6
Mohs hardness
—
3.185
Specific gravity
—
White
Streak
—
Vitreous, pearly on {100}
Luster
—
Perfect on {101}, imperfect on {100}
Cleavage
—
Pnna
Space group
—
—
Structural group
—
Sks · Grandfathered
IMA
—
1900
Named in
—
Colorless to white; colorless in thin section
Typical colors
—
Ca · Sn · Si · O · H
Elements
—