VS
Name
—
Zn₃(PO₄)₂·4H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Orthorhombic
Crystal system
—
3.5
Mohs hardness
—
3.05–3.06
Specific gravity
—
White
Streak
—
Vitreous, pearly on {010} cleavages
Luster
—
Perfect on {010}; good on {100}; poor on {001}
Cleavage
—
Pbnm
Space group
—
Hopeite
Structural group
—
Hop · Grandfathered
IMA
—
1826
Named in
—
Colorless, grayish white, pale yellow; colorless in transmitted light
Typical colors
—
Zn · P · O · H
Elements
—