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 …
Its name comes from the Arabic “zargoun” muting in “jargon”, meaning vermilion. It is known since antiquity, but under different names. It may be colorless (rare), but also yellow, brown, orange, blue to blue-violet (called starlite) … and mostly brown green and dark red, the
Its name honors Maxime Villiaume, French soldier and explorer who made collections of minerals from Madagascar and Guinea. The villiaumite was found in its samples coming from Guinea (Rouma Island). For gemologists: watch this stone has an significant polarization abnormality, while being isotropic.
Discovered in 1838 in Mexico, its name comes from its composition, rich in vanadium.
