aenigmatite
ck_admin
March 24, 2021
Discovered in 1865 its name comes from Greek showing that its chemical formula was a real “mystery” to solve.
good
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
wolframite
ck_admin
March 24, 2021
Its name comes from the german, “ wolfram” being the name of tungsten, which is its main component. The hubnerite variety is rich in manganese, of a rather red color, transparent and in slices, it was named after the german Adolph Huebner. The ferberite variety
