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Wernerite
Wernerite

Anorthite
Anorthite



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Wernerite
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Anorthite

Wernerite and Anorthite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

2.50-2.802.77
1 7.18
👆🏻

Fracture

-
Uneven

Cleavage

Perfect
Perfect [001] good [010] poor [110]

Mohs Hardness

5-6.56-6.5
2 10
👆🏻

Chemical Composition

Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Wernerite and Anorthite Chemical Formula

While comparing Wernerite and Anorthite 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 Wernerite and Anorthite chemical formula.

  • Chemical formula of Wernerite- Na 4(Al,Si) 12O 24Cl to Ca 4(Si,Al) 12O 24(CO 3,SO 4)Arthur Thomas , Gemstones (2009)
  • Chemical formula of Anorthite- CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Wernerite and Anorthite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wernerite and Anorthite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wernerite and Anorthite Optical Properties during the identification of gemstone. Specific gravity of Wernerite is 2.77 whereas that of Anorthite is 2.77.