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Dravite and Pectolite Physical Properties


Pectolite and Dravite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.03-3.18   
2.74-2.90   

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

Cleavage
{???} Indistinct   
Perfect on {100} and {001}   

Mohs Hardness
7-7.5   
4.5-5   

Chemical Composition
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)   
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.   

Optical Properties >>
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Dravite and Pectolite Chemical Formula

While comparing Dravite 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 Dravite and Pectolite chemical formula.

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Dravite and Pectolite Specific Gravity

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

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