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 …
This is an organic material, a black variety of lignite containing 70% of carbon, resulting from the coalification of wood under anaerobic conditions (without oxygen) and under strong pressure, it is a fossil gem. Its name comes from old French “jayet” or “jaiet” or the
Discovered in 1855, it owes its name to the Greek “hyalos” – glass-, and “Phanos” – which has the appearance.
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 …
