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Andesine
Andesine

Verdelite
Verdelite



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Andesine
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Verdelite

Andesine and Verdelite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.65-2.692.90-3.40
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect on {001}, good on {010}
Not Available
1.7 Mohs Hardness
6-6.57-7.5
Amber
2 10
1.8 Chemical Composition
(Na,Ca)Al1-2Si3-2O8
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Andesine and Verdelite Chemical Formula

While comparing Andesine and Verdelite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Andesine and Verdelite chemical formula.

  • Chemical formula of Andesine- (Na,Ca)Al1-2Si3-2O8
  • Chemical formula of Verdelite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Andesine and Verdelite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andesine and Verdelite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Verdelite Optical Properties during the identification of gemstone. Specific gravity of Andesine is 2.90-3.40 whereas that of Verdelite is 2.90-3.40.