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Garnet
Garnet

Blue John
Blue John



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Garnet
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Blue John

Garnet and Blue John Physical Properties

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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
3.55-4.333.00-3.25
Amber
1 7.18
1.5 Fracture
Conchoidal, Uneven
Not Available
1.6 Cleavage
Indistinct
Not Available
1.7 Mohs Hardness
6.5-7.5Not Available
Amber
2 10
1.8 Chemical Composition
Garnet is a series of several different minerals with unique chemical formulas.
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Garnet and Blue John Chemical Formula

While comparing Garnet 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 Garnet and Blue John chemical formula.

  • Chemical formula of Garnet- Garnet is a series of several different minerals with unique chemical formulas.
  • Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Garnet and Blue John Specific Gravity

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