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Creedite
Creedite

Foitite
Foitite



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Creedite
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Foitite

Creedite and Foitite Physical Properties

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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.
 
-
-
-
3.17
-
None
7
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

Creedite and Foitite Chemical Formula

While comparing Creedite and Foitite 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 Foitite chemical formula.

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Creedite and Foitite Specific Gravity

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