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9 x 4.5 MM Marquise Faceted AAA Tanzanite, Item #ACC246919


Gemstone Tanzanite


9 x 4.5 MM Marquise Faceted AAA Tanzanite, Item #ACC246919

SKU f142320754ac Category


Marquise Faceted AAA Tanzanite


Weight:0.85 CT
Color:Blue, Purple
Selling Unit of Measure:ct
Gemstone Quality:AAA
Gemstone Quality Description:Medium dark bluish purple, no color zoning; eye clean; good brilliance; good cut and polish
Stone Enhancement Code:H
Month for Birthstone:December
Stone Hardness:6-7
Gem Species:Zoisite
Stone RI:1.691-1.700
Stone Specific Gravity:3.35
Stone Optic Character:DR
Stone Phenomena:Chatoyancy (rare)
Stone Ultrasonic Reaction:Never use
Steamer Reaction:Never use
Heat Reaction:Very Poor – fuses easily, sudden temperature change may cause cracking
Chemical Reaction:Hydrofluoric and hydrochloric acid
Major Sources:Tanzania
mm Size:9 x 4.5