Margarite 3.06 ct.
Margarite
is a minerale that belong to the brittle mica group, the formula is CaAl2(Al2Si2)O10(OH)2 and hardness of 4. The mica is already a difficult material to facet,but this one is extreme! So the stone here has few facet,just a simple cut,otherwise would really be impossible.
It comes from Corundum Mines,Ekaterinburg District,Ural Mountains, Russia.
Size:13.1x11.2x4.5 mm.
Weight:3.06 ct.
CODE#5084
- Origin
- Russia