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Zoisite
Zoisite

Marcasite
Marcasite



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Zoisite
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Marcasite

Zoisite 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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-
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3.20-3.50
Uneven, Conchoidal, Even
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

Zoisite and Marcasite Chemical Formula

While comparing Zoisite 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 Zoisite and Marcasite chemical formula.

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Zoisite and Marcasite Specific Gravity

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