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Spodumene and Star Sapphire Physical Properties


Star Sapphire and Spodumene Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.15-3.21   
3.90-4.05   

Fracture
Uneven, Subconchoidal, Gemstones (2009)   
Not Available   

Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°   
Not Available   

Mohs Hardness
6-7   
Not Available   

Chemical Composition
LiAlSi2O6   
Al 2O 3Ulrich Henn and Claudio C.   

Optical Properties >>
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Spodumene and Star Sapphire Chemical Formula

While comparing Spodumene and Star Sapphire 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 Spodumene and Star Sapphire chemical formula.

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Spodumene and Star Sapphire Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Star Sapphire Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Star Sapphire Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 3.90-4.05 whereas that of Star Sapphire is 3.90-4.05.

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Green Gemstones


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