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Pietersite
Pietersite
☒

Anorthite
Anorthite
☒



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Pietersite
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Anorthite

Pietersite and Anorthite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
5
H2O+Fe2+,H3O2+Fe3+Si4O12
 
Brittle
-
-
2.77
Uneven
Perfect [001] good [010] poor [110]
6-6.5
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Pietersite and Anorthite Chemical Formula

While comparing Pietersite 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 Pietersite and Anorthite chemical formula.

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Pietersite and Anorthite Specific Gravity

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