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Boulder Opal
Boulder Opal

Allanite
Allanite



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Boulder Opal
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Allanite

Boulder Opal and Allanite 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
1.98-2.253.40-4.20
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Not Available
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
5-6.5Not Available
Amber
2 10
1.8 Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.
Not Available

Boulder Opal and Allanite Chemical Formula

While comparing Boulder Opal and Allanite 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 Boulder Opal and Allanite chemical formula.

  • Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
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Boulder Opal and Allanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Allanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Allanite Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 3.40-4.20 whereas that of Allanite is 3.40-4.20.