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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
montebrasite
ck_admin
March 24, 2021
Close to amblygonite, ows its name to Montebras in France, in the Creuse. The majority of gems called “amblygonite” are chemically closer to the “ montebrasite “.
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
kornerupine
ck_admin
March 24, 2021
Mineral honoring the young Danish geologist Andreas N. Kornerup (1857-1881) who discovered it in Greenland. Sometimes it can present a speckle of the type “cat eye”. Often brown and dark, beautiful yellow-green varieties are from Sri Lanka and it has now been discovered in emerald
kammererite
ck_admin
March 24, 2021
It was identified in 1841 by the Finnish mineralogist Nordenskiöld. Its name honors the Russian mining engineer Kammerer from St. Petersburg. The kammérérite, of a beautiful fuchsia pink, is a chromian variety of clinochlore whose name comes the Greek “klino”, for its oblique axis tilted
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
