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Verdelite
Verdelite

Zinnwaldite
Zinnwaldite



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Verdelite
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Zinnwaldite

Verdelite and Zinnwaldite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Elastic
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.40
2.9-3.1
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven
1.6 Cleavage
Not Available
Perfect basal {001}
1.7 Mohs Hardness
7-7.5
3.5-4.0
1.8 Chemical Composition
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.
Not Available

Verdelite and Zinnwaldite Chemical Formula

While comparing Verdelite and Zinnwaldite 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 Verdelite and Zinnwaldite chemical formula.

  • 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.
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Verdelite and Zinnwaldite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdelite and Zinnwaldite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdelite and Zinnwaldite Optical Properties during the identification of gemstone. Specific gravity of Verdelite is 2.9-3.1 whereas that of Zinnwaldite is 2.9-3.1.