absent
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 …
actualités
poudretteite
ck_admin
March 24, 2021
It owes its name to “Poudrette Quarry” in Mont Saint-Hilaire in Canada where it was discovered. The deep pink gem variety can be cut and was not discovered until 2001.
pietersite
ck_admin
March 24, 2021
Discovered in 1962 by Pieters in Namibia, this breach consists of an hawk eye and a tiger’s eye (crocidolite). Subsequently, it was discovered in China a rock quite close in appearance to Pietersite, which would be a amphibole rich in torendrikite instead of crocidolite. This
moonstone
ck_admin
March 24, 2021
The moonstone is composed of alkaline feldspar, mainly potassium in other words orthoclase, in its variety “adularia”. This is actually a microperthite resulting from a microscopic phase separation of platelets from a sodium feldspar, the albite, in the orthoclase during the cooling of the mixture
