21.73gm 1pc Blue Topaz Gem Rough
Natural Gem Rough Ready for Faceting
Gem Information:
Gem: Topaz, Blue
Count: 1
Shape:Natural Crystal Rough
Measurements: (approximate) 28x24.8x19.75mm
Polish: tumbled
Carat Weight: 21.73gms or 108.65cts.
Cut: Round - Oval
Other1: Old mined material 1980-1990
Other2: Grade AAA
Other3:
Color: Swiss Blue
Clarity: VVS
Country of Origin: Germany
Refractive Index: 1.62
Treatments: Irradiated
