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Blue John
Blue John

Titanite Sphene
Titanite Sphene



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Blue John
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Titanite Sphene

Blue John and Titanite Sphene Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.00-3.25
-
Perfect
-9999
CaF 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
3.52-3.54
ConchoidalWalter Schumann
Distinct
5-5.5
CaTiSiO 5Ulrich Henn and Claudio C.

Blue John and Titanite Sphene Chemical Formula

While comparing Blue John and Titanite Sphene 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 Blue John and Titanite Sphene chemical formula.

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Blue John and Titanite Sphene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Blue John and Titanite Sphene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Blue John Vs Titanite Sphene during the identification of gemstone. Specific gravity of Blue John is whereas that of Titanite Sphene is .