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Thulite
Thulite

Hercynite
Hercynite



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Thulite
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Hercynite

Thulite and Hercynite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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3.1
Uneven, Conchoidal
Perfect {010} imperfect {100}
6-7
Ca2Al3(SiO4)3(OH)
 
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4.39
Uneven
{111} Indistinct, {111} Indistinct, {111} Indistinct
7.5-8
Fe2+ Al 2O 4Gemdat.org , Management Team (2012)

Thulite and Hercynite Chemical Formula

While comparing Thulite 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 Thulite and Hercynite chemical formula.

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Thulite and Hercynite Specific Gravity

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