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Creedite
Creedite

Anorthite
Anorthite



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Creedite
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Anorthite

Creedite and Anorthite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.70
Uneven, Conchoidal
Perfect on {100}
4.5
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
 
Brittle
-
-
2.77
Uneven
Perfect [001] good [010] poor [110]
6-6.5
CaAl 2Si 2O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Creedite and Anorthite Chemical Formula

While comparing Creedite 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 Creedite and Anorthite chemical formula.

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Creedite and Anorthite Specific Gravity

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