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Erythrite
Erythrite

Brookite
Brookite



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Erythrite
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Brookite

Erythrite and Brookite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Sectile
-
-
3.06
Sectile
Perfect on {010}; poor on {100} and { 1 02}.
-9999
Co3(AsO4)2•8(H2O)
 
Brittle
-
-
3.87-4.14
Subconchoidal, Conchoidal
Poor on {120}, in traces on {001}
5.5-6
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Erythrite and Brookite Chemical Formula

While comparing Erythrite and Brookite 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 Erythrite and Brookite chemical formula.

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Erythrite and Brookite Specific Gravity

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