![inderite crystal from Turkey](https://www.patrickvoillot.com/wp-content/uploads/2021/03/inderite-cristal-turquie149.png)
borates
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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![inderite crystal from Turkey](https://www.patrickvoillot.com/wp-content/uploads/2021/03/inderite-cristal-turquie149.png)
![hambergite rectangular cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/hambergite-taille-rectangulaire166.png)
hambergite
ck_admin
March 24, 2021
It honors the Swedish mineralogist Axel Hamberg (1863-1933).
![colemanite crystal from California in U.S.](https://www.patrickvoillot.com/wp-content/uploads/2021/03/colemanite-cristal-californie-usa203.png)
colemanite
ck_admin
March 24, 2021
It pays tribute to W. Coleman (1824-1893), founder of the borax industry in California.
![chambersite fancy cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/chambersite-taille-fantaisie212.png)
chambersite
ck_admin
March 24, 2021
New mineral discovered in 1957 in Texas, in Chambers County (Barber’s Hill salt dome), hence its name. The crystals were found in the brine returns from a gas drilling because it is a borate insoluble in water. Thereafter deposits were discovered in Louisiana, Canada, and
![fancy cut boracite](https://www.patrickvoillot.com/wp-content/uploads/2021/03/boracite-taille-fantaisie230.png)