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Verdelite
Verdelite

Feldspar
Feldspar



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Verdelite
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Feldspar

Verdelite and Feldspar Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.402.56-2.75
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Conchoidal, Uneven, Conchoidal, Gemstones of the world (2001)
1.6 Cleavage
Not Available
two or three
1.7 Mohs Hardness
7-7.56-6.5
Amber
2 10
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 Feldspar Chemical Formula

While comparing Verdelite and Feldspar 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 Feldspar 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 Feldspar Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdelite and Feldspar Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdelite and Feldspar Optical Properties during the identification of gemstone. Specific gravity of Verdelite is 2.56-2.75 whereas that of Feldspar is 2.56-2.75.