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Heliodor
Heliodor

Blue John
Blue John



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Heliodor
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Blue John

Heliodor and Blue John 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
Not Available3.00-3.25
Amber
1 7.18
1.5 Fracture
Not Available
Not Available
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
7.5Not Available
Amber
2 10
1.8 Chemical Composition
Not Available
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Heliodor and Blue John Chemical Formula

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

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

Heliodor and Blue John Specific Gravity

Another important criteria for qualitative analysis of gemstones is Heliodor and Blue John Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Heliodor and Blue John Optical Properties during the identification of gemstone. Specific gravity of Heliodor is 3.00-3.25 whereas that of Blue John is 3.00-3.25.