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Nuummite
Nuummite

Brookite
Brookite



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Nuummite
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Brookite

Nuummite and Brookite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.18-3.37
Conchoidal
Perfect on 210
5.5-6
Na(Fe,Mg)7(AlSi7O22)(OH)2
 
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

Nuummite and Brookite Chemical Formula

While comparing Nuummite 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 Nuummite and Brookite chemical formula.

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Nuummite and Brookite Specific Gravity

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