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Prehnite and Hemimorphite Physical Properties


Hemimorphite and Prehnite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.80-2.95   
3.30-3.50   

Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   

Cleavage
Distinct on [001]   
Perfect on {110}, poor on {101}, {001} rare   

Mohs Hardness
6-6.5   
5   

Chemical Composition
Ca2Al2Si3O12(OH)   
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Prehnite and Hemimorphite Chemical Formula

While comparing Prehnite and Hemimorphite 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 Prehnite and Hemimorphite chemical formula.

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Prehnite and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Prehnite and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prehnite and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of Prehnite is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.

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