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Sunstone
Sunstone

Orthoclase
Orthoclase



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Sunstone and Orthoclase Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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-
-
2.62-2.65
-
001
6
Microcline: KAlSi3O8 Oligoclase: (Na,Ca)Al1-2Si3-2O8
 
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-
-
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

Sunstone and Orthoclase Chemical Formula

While comparing Sunstone and Orthoclase 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 Sunstone and Orthoclase chemical formula.

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Sunstone and Orthoclase Specific Gravity

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