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Prase Opal
Prase Opal

Brookite
Brookite



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Prase Opal
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Brookite

Prase Opal 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
1.98-2.253.87-4.14
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Not Available
Poor on {120}, in traces on {001}
1.7 Mohs Hardness
5-6.55.5-6
Amber
2 10
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Prase Opal and Brookite Chemical Formula

While comparing Prase Opal 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 Prase Opal and Brookite chemical formula.

  • Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
  • Chemical formula of Brookite- TiO 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Prase Opal and Brookite Specific Gravity

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