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Celestine
Celestine

Topaz
Topaz



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Celestine
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Topaz

Celestine and Topaz Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.90-4.00
Conchoidal
Perfect on {001}, good on {210}, poor on {010}
3-3.5
SrSO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
3.49-3.57
Subconchoidal, Uneven, Conchoidal
[001] Perfect
8
Al2SiO4(F,OH)2

Celestine and Topaz Chemical Formula

While comparing Celestine and Topaz 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 Celestine and Topaz chemical formula.

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Celestine and Topaz Specific Gravity

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