Kyanite Cyprine and Boulder Opal Physical Properties

Kyanite Cyprine

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

3.55-3.701.98-2.25

1 7.18

1.5 Fracture

Gemstones (2009)

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

1.6 Cleavage

Not Available

1.7 Mohs Hardness

4-75-6.5

2 10

1.8 Chemical Composition

Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references

SiO 2 + H 2OUlrich Henn and Claudio C.

Kyanite Cyprine and Boulder Opal Chemical Formula

While comparing Kyanite Cyprine 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 Kyanite Cyprine and Boulder Opal chemical formula.

Chemical formula of Kyanite Cyprine- Al 2SiO 5Arthur Thomas , Gemstones (2009) More from other references
Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Kyanite Cyprine and Boulder Opal Specific Gravity

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