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VS
Francevillite
Name
—
Ba(UO₂)₂(VO₄)₂·5H₂O
Formula
—
Mineral Species
Entry type
—
Vanadates
Chemical class
—
Orthorhombic
Crystal system
—
3
Mohs hardness
—
4.55
Specific gravity
—
—
Streak
—
—
Luster
—
On {001}, perfect
Cleavage
—
Pcan
Space group
—
Fritzscheite
Structural group
—
Fvl · Approved
IMA
—
1957
Named in
—
Lemon-yellow, yellow-orange, orange, greenish yellow; green, brown
Typical colors
—
Ba · U · O · V · H
Elements
—