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Thulite
Thulite

Marcasite
Marcasite



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Thulite
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Marcasite

Thulite and Marcasite 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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4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Thulite and Marcasite Chemical Formula

While comparing Thulite and Marcasite 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 Marcasite chemical formula.

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Thulite and Marcasite Specific Gravity

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