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Anhydrite
Anhydrite

Orthoclase
Orthoclase



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Anhydrite
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Orthoclase

Anhydrite 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
2.90-2.98
2.54-2.61
1.5 Fracture
Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Gems, Uneven
1.6 Cleavage
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.
1.7 Mohs Hardness
3.5
6
1.8 Chemical Composition
CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Anhydrite and Orthoclase Chemical Formula

While comparing Anhydrite 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 Anhydrite and Orthoclase chemical formula.

  • Chemical formula of Anhydrite- CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references
  • Chemical formula of Orthoclase- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Anhydrite and Orthoclase Specific Gravity

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