![yellow rhodizite from Madagascar](https://www.patrickvoillot.com/wp-content/uploads/2021/03/rhodizite-madagascar79.png)
yellow
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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![yellow rhodizite from Madagascar](https://www.patrickvoillot.com/wp-content/uploads/2021/03/rhodizite-madagascar79.png)
![oval cut pyrite from Madagascar](https://www.patrickvoillot.com/wp-content/uploads/2021/03/pyrite-taille-ovale-madagascar-85.png)
![oval cut powellite from India](https://www.patrickvoillot.com/wp-content/uploads/2021/03/powellite-taille-ovale-inde90.png)
![parisite from Colombia oval cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/parisite-ovale-colombie104.png)
![palygorskyte from Bois Noir in the Loire in France](https://www.patrickvoillot.com/wp-content/uploads/2021/03/palygorskite-bois-noir-france106.png)
palygorskite
ck_admin
March 24, 2021
Identified in 1862, its name comes from that of a deposit in the Urals in Russia. Sometimes called “angel skin opal” because of its resemblance, but it’s not an opal.
![emerald cut orthoclase form Madagascar](https://www.patrickvoillot.com/wp-content/uploads/2021/03/orthose-taille-emeraude-madagascar109.png)
orthoclase
ck_admin
March 24, 2021
Described by Breithaupt in 1823, its name comes from the Greek Greek “orthos” meaning “straight fracture“, because it has the characteristic to cleave in two orthogonal planes. Named at the beginning orthoclase, orthose, its french name, was given lately by René Just Haüy. In its