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Star Ruby
Star Ruby

Tourmaline
Tourmaline



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Star Ruby
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Tourmaline

Star Ruby and Tourmaline Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.95-4.10
Uneven
None
-9999
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
2.85-3.35
Uneven, Conchoidal
Indistinct
7-7.5
Tourmaline is a series of several different minerals with unique chemical formulas. See The chemical formula of Tourmaline for details.

Star Ruby and Tourmaline Chemical Formula

While comparing Star Ruby and Tourmaline 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 Star Ruby and Tourmaline chemical formula.

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Star Ruby and Tourmaline Specific Gravity

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