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Marcasite
Marcasite

Elbaite
Elbaite



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Marcasite
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Elbaite

Marcasite and Elbaite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
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2.90-3.10
Uneven, Conchoidal
Poor/indistinct on {1120} and {1011}
7
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references

Marcasite and Elbaite Chemical Formula

While comparing Marcasite and Elbaite 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 Marcasite and Elbaite chemical formula.

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Marcasite and Elbaite Specific Gravity

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