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Brookite
Brookite

Feldspar
Feldspar



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Brookite
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Feldspar

Brookite and Feldspar Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
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
 
-
-
-
2.56-2.75
Uneven, Conchoidal
two or three
6-6.5
KAlSi3O8

Brookite and Feldspar Chemical Formula

While comparing Brookite and Feldspar 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 Brookite and Feldspar chemical formula.

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Brookite and Feldspar Specific Gravity

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