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Ruby
Ruby

Piemontite
Piemontite



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Ruby
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Piemontite

Ruby and Piemontite 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
-
-
-9999
Uneven, Splintery
[001] good, [100] distinct
6-6.5
Ca2Al3(SiO4)(Si2O7)O(OH)

Ruby and Piemontite Chemical Formula

While comparing Ruby and Piemontite 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 Piemontite chemical formula.

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Ruby and Piemontite Specific Gravity

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