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Demantoid
Demantoid

Brookite
Brookite



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Demantoid and Brookite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.77-3.95
3.87-4.14
1.5 Fracture
Not Available
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Not Available
Poor on {120}, in traces on {001}
1.7 Mohs Hardness
6.5
5.5-6
1.8 Chemical Composition
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Demantoid and Brookite Chemical Formula

While comparing Demantoid 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 Demantoid and Brookite chemical formula.

  • Chemical formula of Demantoid- Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Demantoid and Brookite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Demantoid and Brookite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Demantoid and Brookite Optical Properties during the identification of gemstone. Specific gravity of Demantoid is 3.87-4.14 whereas that of Brookite is 3.87-4.14.