vitreous
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
hemimorphite
ck_admin
March 24, 2021
Its name comes from the Greek “hemi,” half and “morpho” to form, due to the different shape of the tip of its doubly terminated crystals. It was identified by Kenngott in 1853. There is a “matrix” form blue and banded. As Tourmaline it presents the
hedenbergite
ck_admin
March 24, 2021
Its name honors the Swedish mineralogist Ludwig Hedenberg. It is close to diopsides.
hambergite
ck_admin
March 24, 2021
It honors the Swedish mineralogist Axel Hamberg (1863-1933).
