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Albite
Albite

Anhydrite
Anhydrite



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Albite
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Anhydrite

Albite and Anhydrite Physical Properties

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1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.60-2.652.90-2.98
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
Conchoidal, Brittle, Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Perfect on {001}, very good on {010}, imperfect on {110}
Rare tabular and prismatic crystals. Usually occurs as fibrous, parallel veins that break off into cleavage fragments.
1.7 Mohs Hardness
6-6.53.5
Amber
2 10
1.8 Chemical Composition
NaAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
CaSO 4Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Albite and Anhydrite Chemical Formula

While comparing Albite and Anhydrite 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 Albite and Anhydrite chemical formula.

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

Albite and Anhydrite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Albite and Anhydrite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Albite and Anhydrite Optical Properties during the identification of gemstone. Specific gravity of Albite is 2.90-2.98 whereas that of Anhydrite is 2.90-2.98.