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Anorthite
Anorthite

Orthoclase
Orthoclase



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Anorthite
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Orthoclase

Anorthite and Orthoclase Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.772.54-2.61
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Gems, Uneven
1.6 Cleavage
Perfect [001] good [010] poor [110]
Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.
1.7 Mohs Hardness
6-6.56
Amber
2 10
1.8 Chemical Composition
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Anorthite and Orthoclase Chemical Formula

While comparing Anorthite 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 Anorthite and Orthoclase chemical formula.

  • Chemical formula of Anorthite- CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Orthoclase- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Anorthite and Orthoclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Anorthite and Orthoclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Anorthite and Orthoclase Optical Properties during the identification of gemstone. Specific gravity of Anorthite is 2.54-2.61 whereas that of Orthoclase is 2.54-2.61.