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Blue John
Blue John

Sarcopside
Sarcopside



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Blue John
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Sarcopside

Blue John and Sarcopside 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
3.00-3.253.79-3.94
Amber
1 7.18
1.5 Fracture
Not Available
Lamellar, Splintery
1.6 Cleavage
Not Available
{100} Good, {001} Good, {010} Poor
1.7 Mohs Hardness
Not Available4
Amber
2 10
1.8 Chemical Composition
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Blue John and Sarcopside Chemical Formula

While comparing Blue John and Sarcopside 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 Sarcopside chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Blue John and Sarcopside Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue John and Sarcopside Optical Properties during the identification of gemstone. Specific gravity of Blue John is 3.79-3.94 whereas that of Sarcopside is 3.79-3.94.