![wavellite crystals from United States](https://www.patrickvoillot.com/wp-content/uploads/2021/03/wavellite-cristaux-usa27.png)
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Je vous emmène à travers mes vidéos découvrir mon expérience acquise depuis plus de 30 ans a silloner le globe entier à la recherche de pierres précieuses, de rencontre mémorables mais aussi de difficulté parfois …
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![wavellite crystals from United States](https://www.patrickvoillot.com/wp-content/uploads/2021/03/wavellite-cristaux-usa27.png)
![vivianite emerald cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/vivianite-taille-emeraude29.png)
![vesuvianite from Kenia](https://www.patrickvoillot.com/wp-content/uploads/2021/03/vesuvianite-kenya31.png)
vesuvianite
Its name comes from the Vesuvius (Italy) where it was discovered, it is also called vesuvienne, idocrase, wiluite (form the Wilui River in Yakutia, Russia). The californite variety, discovered in 1963 by the famous mineralogist Kunz, is a massive, persistent and green variety of vesuvianite
![vanadinite fancy cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/vanadinite-taille-fantaisie34.png)
vanadinite
Discovered in 1838 in Mexico, its name comes from its composition, rich in vanadium.
![cabochon of African unakite](https://www.patrickvoillot.com/wp-content/uploads/2021/03/unakite-cabochon-afrique36.png)
unakite
This is an altered granite composed of pink feldspar, green epidote and colorless or brown quartz. When unakite is not too altered is a beautiful stone combining pistachio green epidote with salmon pink feldspar. It owes its name to Unaka Range located between Tennessee and
![triplite from Pakistan oval cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/triplite-pakistan40.png)
triplite
Its name comes from the Greek “triplos” for triple, as it has cleavages in three directions, it forms a series with the zwieselite, which is the fluorinated pole. It is found in granitic pegmatites and it was identified in the Chanteloube, Haute-Vienne in France. The