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Blue John
Blue John

Tektite
Tektite



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Blue John
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Tektite

Blue John and Tektite Physical Properties

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1 Physical Properties
1.1 Tenacity
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1.2 Solubility
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1.3 Durability
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1.4 Specific Gravity
3.00-3.252.34-2.51
Amber
1 7.18
1.5 Fracture
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1.6 Cleavage
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1.7 Mohs Hardness
Not AvailableNot Available
Amber
2 10
1.8 Chemical Composition
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
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Blue John and Tektite Chemical Formula

While comparing Blue John and Tektite 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 Blue John and Tektite chemical formula.

  • Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
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Blue John and Tektite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Blue John and Tektite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue John and Tektite Optical Properties during the identification of gemstone. Specific gravity of Blue John is 2.34-2.51 whereas that of Tektite is 2.34-2.51.