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SET TOURMALINE-SPESSARTITE     NATURAL COLOR      Hardness 7.5 

RETURN TO   SET MISCELLANEOUS CABOCHON

  

12.11 cts. cab. Green tourmaline single & 15.90 cts./ 9.44 cts. cab. Spessartite single

 Sp.18.1x 13.5 / 15 x 12 & To. 20.2 x 12.8 mm.

Slightly included. Enhancement: none (N)

stone PRICE  

USD 2190.00  

ORIGIN: Madagascar

  ref:Set Cab Mix3745  

Tourmaline:
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
Spessartite:
Hardness: 7.25
Specific Gravity: 4.19
Refractive Index: 1.8   Visual Catalog
Chemical Composition: Mn3Al2Si3O12 Manganese Aluminum Silicate       Garnet data
Crystal Structure: Isometric    Cutting Styles
Spessartite Discovery   Ask a question
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