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Topazolite
Topazolite

Sellaite
Sellaite



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Topazolite
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Sellaite

Topazolite and Sellaite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.70-4.10
Conchoidal
Indistinct
6.5-7
Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
 
Brittle
-
-
3.14-3.16
Conchoidal
Perfect on {010} and {110}
5-5.5
MgF 2Ulrich Henn and Claudio C.

Topazolite and Sellaite Chemical Formula

While comparing Topazolite and Sellaite 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 Topazolite and Sellaite chemical formula.

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Topazolite and Sellaite Specific Gravity

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