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Ruby
Ruby

Precious Opal
Precious Opal



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Ruby
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Precious Opal

Ruby and Precious Opal Physical Properties

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
 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)

Ruby and Precious Opal Chemical Formula

While comparing Ruby and Precious Opal 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 Precious Opal chemical formula.

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Ruby and Precious Opal Specific Gravity

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