Microlite and Blue John Physical Properties

Microlite

Blue John

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.53.00-3.25

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Not Available

1.6 Cleavage

{111} Indistinct, {111} Indistinct, {111} Indistinct

Not Available

1.7 Mohs Hardness

5-5.5Not Available

2 10

1.8 Chemical Composition

(Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Microlite and Blue John Chemical Formula

While comparing Microlite 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 Microlite and Blue John chemical formula.

Chemical formula of Microlite- (Ca,Na) 2Ta 2O 6(O,OH,F)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Blue John- CaF 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Microlite and Blue John Specific Gravity

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