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Grandidierite and Pectolite Physical Properties


Pectolite and Grandidierite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.85-3.00   
2.74-2.90   

Fracture
Brittle, UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven   
Uneven, Gemstones (2009), Splintery   

Cleavage
Perfect   
Perfect on {100} and {001}   

Mohs Hardness
7.5   
4.5-5   

Chemical Composition
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.   
Ca 2NaHSi 3O 9Ulrich Henn and Claudio C.   

Optical Properties >>
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Grandidierite and Pectolite Chemical Formula

While comparing Grandidierite 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 Grandidierite and Pectolite chemical formula.

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Grandidierite and Pectolite Specific Gravity

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

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