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5.5 MM Trillion Faceted A Tanzanite. Item #ACC218189

$89.70

Gemstone Tanzanite

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Trillion Faceted A Tanzanite.

Specifications

Weight: 0.55 CT
Color: Blue, Purple
Selling Unit of Measure: ct
Gemstone Quality: A
Gemstone Quality Description: Medium light bluish purple, little or no color zoning; eye clean; good brilliance; good cut; good 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: 5.5 x 5.5