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Hercynite and Glaucophane Physical Properties


Glaucophane and Hercynite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.39   
3-3.15   

Fracture
ConchoidalGemdat.org, Uneven   
Conchoidal, Brittle, Conchoidal   

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

Mohs Hardness
7.5-8   
6.0-6.5   

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

Optical Properties >>
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Hercynite and Glaucophane Chemical Formula

While comparing Hercynite and Glaucophane 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 Hercynite and Glaucophane chemical formula.

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Hercynite and Glaucophane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hercynite and Glaucophane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hercynite and Glaucophane Optical Properties during the identification of gemstone. Specific gravity of Hercynite is 3-3.15 whereas that of Glaucophane is 3-3.15.

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Yellow Gemstones


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