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Phenakite
Phenakite

Brookite
Brookite



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Phenakite
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Brookite

Phenakite and Brookite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-2.983.87-4.14
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Distinct on {11 2 0}, imperfect on {10 1 1}
Poor on {120}, in traces on {001}
1.7 Mohs Hardness
7.5-85.5-6
Amber
2 10
1.8 Chemical Composition
Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Phenakite and Brookite Chemical Formula

While comparing Phenakite 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 Phenakite and Brookite chemical formula.

  • Chemical formula of Phenakite- Be 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Phenakite and Brookite Specific Gravity

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