![demantoide variety of andradite garnet from Russia, oval cut](https://www.patrickvoillot.com/wp-content/uploads/2021/03/grenat-demantoide-vert-taille-ovale-russie208.png)
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 …
Andradite: this variety of garnet has been described and identified by Dana, its name is a tribute to a Brazilian mineralogist Jose Bonifacio de Andrada e Silva (1763-1838). Mélanite : black titanoan variety, its name comes from the Greek “black”. Topazolite : yellow variety of
It is the most well-known and widely distributed garne, named after its locality Alabandicus or Alabanda, a town in Asia Minor, currently in Turkey.Since Antiquity Pliny the Elder used to qualified it as gem. It was once known as carbuncle, an archaic name given to