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Brookite
Brookite

Andradite Garnet
Andradite Garnet



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Brookite
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Andradite Garnet

Brookite and Andradite Garnet Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.87-4.14
3.8-3.9
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Not Available
1.6 Cleavage
Poor on {120}, in traces on {001}
None
1.7 Mohs Hardness
5.5-6
6.5-7.5
1.8 Chemical Composition
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Ca3Fe3+2Si3O12

Brookite and Andradite Garnet Chemical Formula

While comparing Brookite and Andradite Garnet 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 Andradite Garnet chemical formula.

  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Andradite Garnet- Ca3Fe3+2Si3O12

Brookite and Andradite Garnet Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brookite and Andradite Garnet Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brookite and Andradite Garnet Optical Properties during the identification of gemstone. Specific gravity of Brookite is 3.8-3.9 whereas that of Andradite Garnet is 3.8-3.9.