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Blue John
Blue John

Elaeolite
Elaeolite



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Blue John
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Elaeolite

Blue John and Elaeolite Physical Properties

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
3.00-3.252.55-2.67
Amber
1 7.18
1.5 Fracture
Not Available
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1.6 Cleavage
Not Available
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1.7 Mohs Hardness
Not Available5.5-6
Amber
2 10
1.8 Chemical Composition
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Blue John and Elaeolite Chemical Formula

While comparing Blue John and Elaeolite 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 Elaeolite chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Blue John and Elaeolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue John and Elaeolite Optical Properties during the identification of gemstone. Specific gravity of Blue John is 2.55-2.67 whereas that of Elaeolite is 2.55-2.67.