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Sapphire and Ulexite Physical Properties


Ulexite and Sapphire Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
insoluble   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.95-4.03   
1.65-1.99   

Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)   
UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic   

Cleavage
None, but may exhibit parting   
{010} Perfect, {110} Perfect   

Mohs Hardness
9   
2-2.5   

Chemical Composition
Al 2 O 3   
NaCaB 5O 6(OH) 6 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Sapphire and Ulexite Chemical Formula

While comparing Sapphire and Ulexite 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 Sapphire and Ulexite chemical formula.

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Sapphire and Ulexite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphire and Ulexite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphire and Ulexite Optical Properties during the identification of gemstone. Specific gravity of Sapphire is 1.65-1.99 whereas that of Ulexite is 1.65-1.99.

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