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 …
Uncommon mineral, present in hydrothermal veins. Its name comes from the Greek “pyros” for fire and “phyllos” as sheet, because with the heat this mineral is exfoliating, and swells in superposed sheets.
Its name comes from its composition of lithium and the Greek “philos” friend.
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 …
Its name honors the French chemist and mineralogist Charles Friedel (1832-1899).
