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Ruby
Ruby

Sellaite
Sellaite



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Ruby
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Sellaite

Ruby and Sellaite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
3.97-4.05
Conchoidal
No true cleavage
9
Al 2 O 3
 
Brittle
-
-
3.14-3.16
Conchoidal
Perfect on {010} and {110}
5-5.5
MgF 2Ulrich Henn and Claudio C.

Ruby and Sellaite Chemical Formula

While comparing Ruby 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 Ruby and Sellaite chemical formula.

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Ruby and Sellaite Specific Gravity

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