Natural Topaz - 11.611 ct - Rough topaz - facet quality

Natural Topaz - 11.611 ct - Rough topaz - facet quality

Certificate: RO-TOPA026CL-003-467

Shape & Cutting Style : rough gemstone crystal
Measurements : 13.5 x 12.8 x 9.3 mm
Carat Weight : 11.611 carat
Color :  White (pinkish influence)
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
tension lines

find the online certificate here