yellow
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
chrysoberyl
ck_admin
March 24, 2021
Known since antiquity as a “golden beryl”, its name derived from the Greek “khrusos” for gold. Two popular varieties are appreciated gems: the golden yellow variety and the red / green which is called alexandrite. Most chrysoberyls are golden – yellow to brown – green
chondrodite
ck_admin
March 24, 2021
Discovered in 1817, its name comes from the Greek “chondros” which means grain in connection with its well-formed crystals, isolated in the form of grains.
chalcopyrite
ck_admin
March 24, 2021
Its name comes from the Greek “chalcos”, which means copper and pyrite: this is a copper pyrites. It was identified in 1725 by Henckel. Chalcopyrite may contain gold in small quantities, it is then exploited for this precious metal.
cancrinite
ck_admin
March 24, 2021
It was identified in 1839 by a German mineralogist and named in honor of the Russian Finance Minister George Kankrin (1774-1845). This stone is particular : it is a silicate but effervesces with acid because it contains carbonates.
brazilianite
ck_admin
March 24, 2021
It is its discovery near the town of Conseilheira Pena, in Minas Gerais (Brazil) in 1945 by Pough, which gave its name (Brazil is written Brasil in Brazilian).
