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Orthoclase
Orthoclase
☒

Ettringite
Ettringite
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Orthoclase
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Ettringite

Orthoclase and Ettringite Physical Properties

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
 
-
Partially soluble in water
-
1.77
-
Perfect on {10 1 0}
2-2.5
Ca 6Al 2(SO 4) 3(OH) 12 26H 2OMichael O’Donoghue , Gems, Sixth Edition (2006)

Orthoclase and Ettringite Chemical Formula

While comparing Orthoclase and Ettringite 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 Ettringite chemical formula.

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Orthoclase and Ettringite Specific Gravity

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