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RUBELLITE TOURMALINE         NATURAL COLOR         Hardness 7.5 

RETURN TO   CABOCHON RUBELLITE

  

13.94 cts. cab. Rubellite  oval single 

17.5 x 12.2 mm.  depth: 7.5 mm. (nice deep red)

Slightly included.  Enhancement: none (N)

stone PRICE  USD 836.00 

ORIGIN: Madagascar

  ref:cabTro 1394

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
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