grandidierite
Discovered at Andrahomana, near Fort Dauphin in Madagascar. Its name honors the French explorer Alfred Grandidier (1836-1912).
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 …
Discovered at Andrahomana, near Fort Dauphin in Madagascar. Its name honors the French explorer Alfred Grandidier (1836-1912).
Its name comes from the Greek, defining the pink color at the arrival of dawn. Its chemical formula is very close to the childrenite, which is yellow-brown because iron dominates, while for éosphorite it is manganese which dominates and gives the pink color.
Being difficult to melt, it was awarded the name of Greek word meaning “resistant” without really understanding why. The more it contains iron, more the color becomes dark and black. The more its iron content increases, more its density increases. The enstatite forms an isomorphous
This is the green variety of beryl, the more valuable because of its unparalleled color, its name comes from the Greek “smaragdos” derived from an ancient Semitic word meaning “shining”. This is one of the gems most sought after, when the green the more sustained