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Ruby and Spodumene Physical Properties


Spodumene and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
insoluble   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
3.15-3.21   

Fracture
Conchoidal   
Uneven, Subconchoidal, Gemstones (2009)   

Cleavage
No true cleavage   
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°   

Mohs Hardness
9   
6-7   

Chemical Composition
Al 2 O 3   
LiAlSi2O6   

Optical Properties >>
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Ruby and Spodumene Chemical Formula

While comparing Ruby and Spodumene 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 Spodumene chemical formula.

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Ruby and Spodumene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ruby and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ruby and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Ruby is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.

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