VS
Name
—
(UO₂)₂(SiO₄)·2H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
3.5
Mohs hardness
—
4.63–4.7
Specific gravity
—
Pale yellow
Streak
—
Vitreous to adamantine, dull when earthy
Luster
—
Perfect on {001}, good on {111}
Cleavage
—
Fddd
Space group
—
—
Structural group
—
Sod · Grandfathered
IMA
—
1922
Named in
—
Amber to yellow or greenish yellow
Typical colors
—
U · O · Si · H
Elements
—