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 …
Identified in 1825 in Bohemia in iron deposits, its name comes from the Greek “kakos”, for bad, and “xenos”, for guest or stranger to indicate that its presence in the iron ore was not appreciated: this phosphate makes the metal iron ore work, harder. The
Identified by Berzelius its name is related to the Greek word “xenos”, meaning stranger, because the crystals were not discovered until later and it was long called Cenotime. It forms a series with the chernovite and is a rare earth phosphate, more often Yttrium but
Identified in 1795, its name expresses its high content of titanium. It has long been known as sphene, which came from the Greek “sphenos” for corner, which described very well the shape of its wedge-shaped crystals. Brookite, of the same composition, crystallizes in another crystal
