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SET TOURMALINE-AQUAMARINE     NATURAL COLOR      Hardness 7.5 

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17.74 cts. cab. Rubellite single & cts. 29.97cab. Aquamarine single

Ru.19.7 x 15 / Aq. 22.6 x 19.5 mm.

Slightly included. Enhancement: none (N)

stone PRICE  

USD 3269.00 

ORIGIN: Madagascar

  ref:Set Cab Mix4771  
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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