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White Opal
White Opal

Foitite
Foitite



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White Opal
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Foitite

White Opal and Foitite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.503.17
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Handbook of mineralogy (2001)
1.6 Cleavage
Not Available
None
1.7 Mohs Hardness
5.5-6.57
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

White Opal and Foitite Chemical Formula

While comparing White Opal and Foitite 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 White Opal and Foitite chemical formula.

  • Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
  • Chemical formula of Foitite- Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)

White Opal and Foitite Specific Gravity

Another important criteria for qualitative analysis of gemstones is White Opal and Foitite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White Opal and Foitite Optical Properties during the identification of gemstone. Specific gravity of White Opal is 3.17 whereas that of Foitite is 3.17.