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Brookite
Brookite

Riebeckite
Riebeckite



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Brookite
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Riebeckite

Brookite and Riebeckite Physical Properties

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
 
Brittle
-
-
3.28-3.44
Uneven, Splintery
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
5.0-6.0
Na2Fe2+3Fe3+2Si8O22(OH)2

Brookite and Riebeckite Chemical Formula

While comparing Brookite and Riebeckite 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 Riebeckite chemical formula.

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Brookite and Riebeckite Specific Gravity

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