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SET TOURMALINE-AQUAMARINE     NATURAL COLOR      Hardness 7.5 

RETURN TO »»  SET MISCELLANEOUS CABOCHON

        

29.17cts. cab. Rubellite single & 27.69cts. cab. Aquamarine single

Ru.21.6 x 17.9 / 21.1x 22.2 mm.

Moderately included. Enhancement: none (N)

stone PRICE  

USD 3411.00 

ORIGIN: Madagascar

   ref:Set Cab Mix5686  
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
Aquamarine:
Hardness: 7.5 - 8
Specific Gravity: 2.67 - 2.84
Refractive Index: 1.57 - 1.60
Chemical Composition: Be3Al2(SiO3)6, Beryllium Aluminum Silicate
Crystal Structure: Hexagonal
 
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