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Moonstone
Moonstone

Marcasite
Marcasite



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Moonstone
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Marcasite

Moonstone and Marcasite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.56-2.60
Uneven, ConchoidalWalter Schumann
2,1 basal ; 2,1 prismatic ; 3,1 pinacoidal
6-6.5
Plagioclase Feldspar s: (Na,Ca)Al1-2Si3-2O8 Orthoclase Feldspar : KAlSi3O8
 
-
-
-
4.80-4.90
Uneven
{010} Indistinct
6-6.5
FeS 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Moonstone and Marcasite Chemical Formula

While comparing Moonstone 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 Moonstone and Marcasite chemical formula.

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Moonstone and Marcasite Specific Gravity

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