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Elbaite and Ulexite Physical Properties


Ulexite and Elbaite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.10   
1.65-1.99   

Fracture
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   
UnevenAnthony et al, Uneven, UnevenAnthony et al, Uneven, Brittle, Metallic   

Cleavage
Poor/indistinct on {1120} and {1011}   
{010} Perfect, {110} Perfect   

Mohs Hardness
7   
2-2.5   

Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references   
NaCaB 5O 6(OH) 6 · 5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Elbaite and Ulexite Chemical Formula

While comparing Elbaite 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 Elbaite and Ulexite chemical formula.

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Elbaite and Ulexite Specific Gravity

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

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