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Liddicoatite
Liddicoatite

Blue John
Blue John



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Liddicoatite
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Blue John

Liddicoatite and Blue John 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
3.023.00-3.25
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal
Not Available
1.6 Cleavage
{0001} Poor
Not Available
1.7 Mohs Hardness
Not AvailableNot Available
Amber
2 10
1.8 Chemical Composition
Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Liddicoatite and Blue John Chemical Formula

While comparing Liddicoatite 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 Liddicoatite and Blue John chemical formula.

  • Chemical formula of Liddicoatite- Ca(Li 2Al)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
  • Chemical formula of Blue John- CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)

Liddicoatite and Blue John Specific Gravity

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