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Orthoclase
Orthoclase

Pyrope
Pyrope



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Orthoclase
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Pyrope

Orthoclase and Pyrope Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.54-2.61
Uneven
Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.
6
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
insoluble in water
-
3.62-3.87
Conchoidal
None
7-7.5
Mg 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Orthoclase and Pyrope Chemical Formula

While comparing Orthoclase and Pyrope 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 Orthoclase and Pyrope chemical formula.

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Orthoclase and Pyrope Specific Gravity

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