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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
kyanite
ck_admin
March 24, 2021
Its name recalls its dominant color : blue in Greek (cyan). Sometimes colorless, but generally blue to bluish green, this gemstone has a hardness ranging, with its texture in plans, from 4.5 (direction of elongation) at 6 to 7 (perpendicular to the elongation). It also
cuprite
ck_admin
March 24, 2021
Its name comes from the Latin “Cuprum” which means copper, it was discovered by von Haidinger in 1845. The chaloctrichite is a form that looks like thin hair hence the name derived from Greek (copper hair). There are massive varieties mixed with chrysocolla and tenorite
iolite
ck_admin
March 24, 2021
It was also known as “dichroïte” (because of its strong dichroism) or “iolite” (because of its purple color), the anglo-saxons still call it by that name. It honors the name of the French geologist Cordier, Professor at the National Museum of Natural History in Paris.
