VS
Name
—
CaZn₂Si₂O₇·H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
4.5
Mohs hardness
—
3.5
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
Good on {100}; poor on {010} and {011}
Cleavage
—
Aba2
Space group
—
—
Structural group
—
Jit · Approved
IMA
—
1975
Named in
—
Colorless, milk-white, or colored in various tints as a result of alteration
Typical colors
—
Ca · Zn · Si · O · H
Elements
—