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Orthoclase
Orthoclase

Dallasite
Dallasite



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Orthoclase
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Dallasite

Orthoclase and Dallasite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.54-2.61
2.58-2.91
1.5 Fracture
Gems, Uneven
Not Available
1.6 Cleavage
Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.
Not Available
1.7 Mohs Hardness
6
6.5-7
1.8 Chemical Composition
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Not Available

Orthoclase and Dallasite Chemical Formula

While comparing Orthoclase and Dallasite 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 Dallasite chemical formula.

  • Chemical formula of Orthoclase- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
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Orthoclase and Dallasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Orthoclase and Dallasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Orthoclase and Dallasite Optical Properties during the identification of gemstone. Specific gravity of Orthoclase is 2.58-2.91 whereas that of Dallasite is 2.58-2.91.