Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
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CaU⁵⁺(UO₂)₂(CO₃)O₄(OH)·7H₂O
Formula
—
Mineral Species
Entry type
—
Carbonates
Chemical class
—
Orthorhombic
Crystal system
—
3–4
Mohs hardness
—
4.69
Specific gravity
—
Brownish violet
Streak
—
Dull, vitreous to submetallic on cleavages
Luster
—
On {001}, perfect; on {010}, less so
Cleavage
—
P2_12_12_1
Space group
—
—
Structural group
—
Wya · Approved
IMA
—
1959
Named in
—
Black, violet-black, greenish if altered
Typical colors
—
Ca · U · O · C · H
Elements
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