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Blue John
Blue John

Ammonite
Ammonite



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Blue John
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Ammonite

Blue John and Ammonite 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
3.00-3.25Not Available
Amber
1 7.18
1.5 Fracture
Not Available
Not Available
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
Not Available3.5-5
Amber
2 10
1.8 Chemical Composition
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
Not Available

Blue John and Ammonite Chemical Formula

While comparing Blue John and Ammonite 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 Ammonite chemical formula.

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

Another important criteria for qualitative analysis of gemstones is Blue John and Ammonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue John and Ammonite Optical Properties during the identification of gemstone. Specific gravity of Blue John is Not Available whereas that of Ammonite is Not Available.