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Glaucophane and Hercynite Physical Properties


Hercynite and Glaucophane Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3-3.15   
4.39   

Fracture
Conchoidal, Brittle, Conchoidal   
ConchoidalGemdat.org, Uneven   

Cleavage
Good on [110] and on [001]   
{111} Indistinct, {111} Indistinct, {111} Indistinct   

Mohs Hardness
6.0-6.5   
7.5-8   

Chemical Composition
[ ]Na2(Mg3Al2)Si8O22(OH)2   
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)   

Optical Properties >>
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Glaucophane and Hercynite Chemical Formula

While comparing Glaucophane and Hercynite 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 Glaucophane and Hercynite chemical formula.

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Glaucophane and Hercynite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Glaucophane and Hercynite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Glaucophane and Hercynite Optical Properties during the identification of gemstone. Specific gravity of Glaucophane is 4.39 whereas that of Hercynite is 4.39.

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