![oval cut sulfur](https://www.patrickvoillot.com/wp-content/uploads/2021/03/soufre-ovale61.png)
definite
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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![oval cut sulfur](https://www.patrickvoillot.com/wp-content/uploads/2021/03/soufre-ovale61.png)
![trillion cut sinhalite from Sri lanka](https://www.patrickvoillot.com/wp-content/uploads/2021/03/sinhalite-trillion-sri-lanka65.png)
![scorzalite round cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/scorzalite-taille-rone10.png)
scorzalite
Discovered in 1957 in Brazil (Corrego Firo pegmatite, Linopolis, Doce valley, Minas Gerais). Its name honors the Brazilian geologist who discovered it: Evaristo Penna Scorza (1899-1969).
![blue sapphire from Sri Lanka cushion cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/saphir-coussin-sri-lanka73.png)
sapphire
Its name comes from the Hebrew “Sappir” which referred for a long time the blue gems, the “most beautiful things”. By 1800, it was shown that the ruby and sapphire were only varieties of the same mineral, corundum. Currently, sapphire corresponds to all the blue
![rutile as inclusions in quartz](https://www.patrickvoillot.com/wp-content/uploads/2021/03/rutile-inclusion-quartz-bresil74.png)
![emerald cut rhodocrosite from Colorado, United States](https://www.patrickvoillot.com/wp-content/uploads/2021/03/rhodochrosite-taille-emeraude-colorado-etats-unis78.png)
rhodochrosite
The gem variety, which is only marketed since 1950, yet named dialogite or “Inca Rose”, saw its name derived from the Greek “rhodon” for rose. In fact, the term dialogite was reserved to rhombohedral crystals. It is of a pinkish red to yellowish color, with