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VS
Compreignacite
Name
—
K₂(UO₂)₆O₄(OH)₆·7H₂O
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Orthorhombic
Crystal system
—
—
Mohs hardness
—
5.03
Specific gravity
—
Pale yellow
Streak
—
—
Luster
—
Perfect on {001}
Cleavage
—
Pnnm
Space group
—
Compreignacite
Structural group
—
Cgn · Approved
IMA
—
1964
Named in
—
Bright yellow to golden yellow
Typical colors
—
K · U · O · H
Elements
—