Rubin
I sellthe Ruby "antigue dealer" a ring - the price 2000000 $
Physical and chemical parameter of the submitted ruby
Color strong - Ruby red
All (27.30 carat)
Density - 4.01
Hardness - 9 (on 8eusu)
luminsensiya intensive Ruby red
Al2O3-98.47 %
Cr-1.18 %
Mn-0.022 %
Fe-0.09 %
Ti-0.02 %
