Kyanite, whose English name is Kyanite, is derived from the Greek Kyanos, yani “mavi”. Ayrıca başka bir İngilizce adı daha var, Kisthene, which also comes from Greek, yani “double” Ve “kuvvet”. It refers to different hardness. It shows one of the biggest characteristics of kyanite, yani, the product is in different directions on […]
