VS
Name
—
Ca(UO₂)₂(Si₅O₁₂)(OH)₂·6H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
3.5
Mohs hardness
—
3.35
Specific gravity
—
—
Streak
—
Pearly on the cleavage
Luster
—
Good on {100}
Cleavage
—
Pbcn
Space group
—
—
Structural group
—
Hwe · Approved
IMA
—
1959
Named in
—
Pale yellow to greenish yellow
Typical colors
—
Ca · U · O · Si · H
Elements
—