Topazolite and Boulder Opal Physical Properties

Topazolite

Boulder Opal

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.70-4.101.98-2.25

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

1.7 Mohs Hardness

6.5-75-6.5

2 10

1.8 Chemical Composition

Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

SiO 2 + H 2OUlrich Henn and Claudio C.

Topazolite and Boulder Opal Chemical Formula

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

Chemical formula of Topazolite- Ca 3Fe 2(SiO 4) 3Arthur Thomas , Gemstones (2009)
Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Topazolite and Boulder Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Topazolite and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topazolite and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Topazolite is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.