Mineralpedia Details for Francevillite
Francevillite
- Formula
- Ba(UO2)2(VO4)2ยท5H2O
- Crystal System
- Orthorhombic
- Cleavage
- Perfect, None, None
- Luster
- Adamantine - Pearly
- Color
- brownish yellow, yellow, yellow green
- Streak
- light yellow
- Class
- Orthorhombic - Dipyramidal
- Hardness
- 3
- WebMineral
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Francevillite from Mounana mine, Franceville, Haut-Ogooué, Gabon
Exceptional bright orange clusters and single crystals in diamond-shaped forms.
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Francevillite from Pandora mine, San Juan Co., Utah, United States
The face of the specimen is covered with thousands of beautiful yellow crystals.
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