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Marcasite
Marcasite
☒

Pyrope Spessartine
Pyrope Spessartine
☒



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Marcasite
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Pyrope Spessartine

Marcasite and Pyrope Spessartine Physical Properties

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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-
-
3.62-4.33
Uneven
None
7-7.5
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Marcasite and Pyrope Spessartine Chemical Formula

While comparing Marcasite and Pyrope Spessartine 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 Pyrope Spessartine chemical formula.

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Marcasite and Pyrope Spessartine Specific Gravity

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