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Elbaite and Pectolite Physical Properties


Pectolite and Elbaite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.90-3.10   
2.74-2.90   

Fracture
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   
Uneven, Gemstones (2009), Splintery   

Cleavage
Poor/indistinct on {1120} and {1011}   
Perfect on {100} and {001}   

Mohs Hardness
7   
4.5-5   

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   
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.   

Optical Properties >>
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Elbaite and Pectolite Chemical Formula

While comparing Elbaite and Pectolite 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 Pectolite chemical formula.

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Elbaite and Pectolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Pectolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Pectolite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 2.74-2.90 whereas that of Pectolite is 2.74-2.90.

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