Natural Topaz - 10.735 ct - Rough topaz - facet quality

Natural Topaz - 10.735 ct - Rough topaz - facet quality

Certificate: RO-TOPA026CL-003-468

Shape & Cutting Style : rough gemstone crystal
Measurements : 6.1 x 6.0 x 5.0 mm
Carat Weight : 10.735 carat
Color :  White (very ligh champaign incfluence)
Clarity : depends on selection when cutting (not completely eye clean)
Transparency : Transparent
Binefringence: 0.008-0.011
Crystallography : Orthorhombic
Hardness : 8
Luster : depends on cutting style
Refractive Index : 1.607-1.649 
Specific Gravity : 3.50-3.57

COMMENTS :

no indications of treatment
not completely eye clean
internal fissures - feathers
tension lines

find the online certificate here