monoclinic
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
hornblende
ck_admin
March 24, 2021
Very common mineral, its name comes from the German “horn” horn “blenden” dazzle. There are many varieties depending on the content of iron, magnesium, calcium etc …
hodgkinsonite
ck_admin
March 24, 2021
Discovered in 1913, its name honors H.H.Hodgkinson of the Franklin Mine in New Jersey, United States, where it was discovered.
hiddenite
ck_admin
March 24, 2021
This is a green variety, colored by chromium, of spodumene which is part of the pyroxene group, although green spodumene without chromium are also called Hiddenite. Its name honors W. E. Hidden, who discovered it in 1879 in the U.S. (Alexander County, North Carolina United
hedenbergite
ck_admin
March 24, 2021
Its name honors the Swedish mineralogist Ludwig Hedenberg. It is close to diopsides.
