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Verdelite
Verdelite

Obsidian
Obsidian



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Verdelite
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Obsidian

Verdelite and Obsidian 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
2.90-3.402.35-2.60
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Conchoidal, ConchoidalWalter Schumann, Conchoidal
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
7-7.55-5.5
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 Obsidian Chemical Formula

While comparing Verdelite and Obsidian 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 Obsidian 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 Obsidian Specific Gravity

Another important criteria for qualitative analysis of gemstones is Verdelite and Obsidian Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Verdelite and Obsidian Optical Properties during the identification of gemstone. Specific gravity of Verdelite is 2.35-2.60 whereas that of Obsidian is 2.35-2.60.