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SET TOURMALINE-IOLITE     NATURAL COLOR      Hardness 7.5 

RETURN TO   SET MISCELLANEOUS CABOCHON

20.06 cts. cab. Iolite single &  31.32 cts. cab. Rubellite  single

Iol. 24 x 17 / Ru. 25.5 x 18.4  mm.

Moderately included. Enhancement: none (N)

stone PRICE  

USD 1640.00  

ORIGIN: Madagascar

  ref:Set Cab Mix5138  

Rubellite:
Hardness: 7 - 7.5
Specific Gravity: 3.0+   Visual Catalog
Refractive Index: 1.62 - 1.68 Tourmaline data
Chemical Composition: Na(Li,Al)3Al6Si6O18(BO3)3 (OH)4, Sodium Lithium Aluminum Boro-Silicate Hydroxide   Ask a question
Crystal Structure: Trigonal
Iolite:
Color: Tanzanite Purple Blue
Clarity: Slightly included.
Luster: Good Luster
Origin: Madagacar
Hardness: 7 - 7.5
Specific Gravity: 2.3
Refractive Index: 1.52 - 1.57
Chemical Composition: Mg2Al4Si5O18, Magnesium Aluminum Silicate
Crystal Structure Orthorhombic
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