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Smoky Quartz and Prehnite Physical Properties


Prehnite and Smoky Quartz Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.65   
2.80-2.95   

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

Cleavage
{0110} Indistinct   
Distinct on [001]   

Mohs Hardness
7   
6-6.5   

Chemical Composition
SiO2   
Ca2Al2Si3O12(OH)   

Optical Properties >>
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Smoky Quartz and Prehnite Chemical Formula

While comparing Smoky Quartz and Prehnite 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 Smoky Quartz and Prehnite chemical formula.

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Smoky Quartz and Prehnite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Smoky Quartz and Prehnite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Smoky Quartz and Prehnite Optical Properties during the identification of gemstone. Specific gravity of Smoky Quartz is 2.80-2.95 whereas that of Prehnite is 2.80-2.95.

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