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Vanadinite
Vanadate Group
Formule chimique :
Pb5(VO4)3Cl
Système cristallin :
Hexagonal
Etymologie :
Due to its chemical composition rich in vanadium.
Dureté :
3
Densité :
6.9
Propriétés physiques :
Resinous to adamantine sheen. Orange-red to ruby-red colour. Transparent to translucent. Conchoidal fracture. No cleavage. Fragile and sensitive to light.
Propriétés chimiques :
Soluble in nitric acid (HNO3).
Formule chimique :
Pb5(VO4)3Cl
Habitus :
En cristaux hexagonaux, prismes courts à allongés.
Gîtologie :
Vanadinite is a secondary mineral of the oxidation zone of vanadium-rich lead deposits.
Determination :
Easy because of its red colour and its hexagonal habitus.
Utilisation :
Vanadinite is found in the oxidation zone of lead deposits, often associated with pyromorphite, mimetite, wulfenite and cerussite.
The most beautiful specimens come from the lead mines of the Mibladen-Aouli district in Morocco. In the world, it is found in the Monti Livornesi (Italy), Blieberg (Austria), Wanlockhead (Scotland), Namibia, Australia, USA…
Vanadinite sur barytine – Maroc
Vanadinite du Mexique
(2 votes, average: 8.50 out of 10)
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