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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
lapis lazuli
ck_admin
March 24, 2021
This is a rock of variable composition containing from 35 to 40% of lazurite (which gives it the beautiful blue color), sodalite, some nosean, some hauynite. Its name comes from the Arabic for “blue”. Azure blue color, greenish blue, dark purple, caused by sulfur, and
johachidolite
ck_admin
March 24, 2021
It is named after the locality where it was discovered: Johachido District in North Korea. Recent discovery at Mogok in Burma of a variety of beautiful yellow-orange gem quality stones.
jeremejevite
ck_admin
March 24, 2021
It honors the Russian mineralogist Pavel Vladimirovich Jeremejev (1830-1899) who has identified it in 1883 in Siberia.
jet
ck_admin
March 24, 2021
This is an organic material, a black variety of lignite containing 70% of carbon, resulting from the coalification of wood under anaerobic conditions (without oxygen) and under strong pressure, it is a fossil gem. Its name comes from old French “jayet” or “jaiet” or the
jade
ck_admin
March 24, 2021
In the nineteenth century, it was shown that the so-called “jade” actually consisted of two distinct minerals: The “Jadeite”, of the pyroxene family, is the hardest and most rare, it has a crystalline sound, its color varies from white to dark green, even lavender. The
