blue
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
grandidierite
ck_admin
March 24, 2021
Discovered at Andrahomana, near Fort Dauphin in Madagascar. Its name honors the French explorer Alfred Grandidier (1836-1912).
dumortierite
ck_admin
March 24, 2021
Its name honors Eugene Dumortier, a paleontologist from Lyon (France )(1802-1873). It occurs most commonly as quartz inclusions, it is then called “blue aventurine”.
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
