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Hercynite
Hercynite

Andesine
Andesine



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Hercynite
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Andesine

Hercynite and Andesine Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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

Hercynite and Andesine Chemical Formula

While comparing Hercynite and Andesine 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 Andesine chemical formula.

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Hercynite and Andesine Specific Gravity

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