SKU: S_00051
Specimen of the rare uranium-vanadium mineral, Francevillite, in micromount size, originating from its type locality. It is a compact cluster of tabular crystals with a saturated yellow-orange color and strong luster. Main Features: rare uranium mineral; Type Locality; saturated yellow-orange color; very good crystal morphology; historical collection 1060. Condition: Very good. The crystal cluster is dense and free from visible blemishes in the center. Under magnification, minor cloudiness and irregularities can be observed on the outer edges of the cluster, which are natural traces of separation from the host rock.
Price: 34 EUR (149 PLN)
Availability: In stock
Location: Mounana Mine, Franceville, Haut-Ogooué Province, Gabon
Size: 4 x 3 x 4 mm
Weight: 200 g
Chemical formula: Ba(UO₂)₂(VO₄)₂·5H₂O
Crystal system: Ortorombowy
Mohs hardness: 2-3