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Brookite
Brookite

Demantoid
Demantoid



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Brookite
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Demantoid

Brookite and Demantoid 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
 
-
-
-
3.77-3.95
-
Imperfect
6.5
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.

Brookite and Demantoid Chemical Formula

While comparing Brookite and Demantoid 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 Demantoid chemical formula.

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Brookite and Demantoid Specific Gravity

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