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Euclase
Euclase

Blue John
Blue John



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Euclase 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
3.08-3.12
3.00-3.25
1.5 Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle, Metallic
Not Available
1.6 Cleavage
{010} Perfect
Not Available
1.7 Mohs Hardness
7.5
Not Available
1.8 Chemical Composition
BeAlSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Euclase and Blue John Chemical Formula

While comparing Euclase 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 Euclase and Blue John chemical formula.

  • Chemical formula of Euclase- BeAlSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Euclase and Blue John Specific Gravity

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