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Albite
Albite

Blue John
Blue John



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Albite
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Blue John

Albite and Blue John Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.60-2.653.00-3.25
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
Not Available
1.6 Cleavage
Perfect on {001}, very good on {010}, imperfect on {110}
Not Available
1.7 Mohs Hardness
6-6.5Not Available
Amber
2 10
1.8 Chemical Composition
NaAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Albite and Blue John Chemical Formula

While comparing Albite 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 Albite and Blue John chemical formula.

  • Chemical formula of Albite- NaAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Albite and Blue John Specific Gravity

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