VS
Name
—
Mg(UO₂)₂(SiO₃OH)₂·6H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
2–3
Mohs hardness
—
3.54
Specific gravity
—
Yellow
Streak
—
Adamantine to vitreous and silky, earthy when massive
Luster
—
Perfect on {100}
Cleavage
—
C2/m
Space group
—
—
Structural group
—
Sds · Grandfathered
IMA
—
1924
Named in
—
Citron-yellow to pale lemon-yellow
Typical colors
—
Mg · U · O · Si · H
Elements
—