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Andesine
Andesine

Hercynite
Hercynite



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Andesine
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Hercynite

Andesine and Hercynite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.65-2.69
Uneven, Conchoidal
Perfect on {001}, good on {010}
6-6.5
(Na,Ca)Al1-2Si3-2O8
 
-
-
-
4.39
Uneven
{111} Indistinct, {111} Indistinct, {111} Indistinct
7.5-8
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Andesine and Hercynite Chemical Formula

While comparing Andesine 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 Andesine and Hercynite chemical formula.

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Andesine and Hercynite Specific Gravity

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