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Grandidierite
Grandidierite

Creedite
Creedite



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Grandidierite
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Creedite

Grandidierite and Creedite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.85-3.00
Uneven
Perfect
7.5
(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.
 
Brittle
-
-
2.70
Uneven, Conchoidal
Perfect on {100}
4.5
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.

Grandidierite and Creedite Chemical Formula

While comparing Grandidierite and Creedite 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 Grandidierite and Creedite chemical formula.

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Grandidierite and Creedite Specific Gravity

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