Boulder Opal and Phosgenite Physical Properties

Boulder Opal

Phosgenite

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1 Physical Properties

1.1 Tenacity

Not Available

Sectile

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

1.98-2.256.13

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), (e.g. graphite).

1.6 Cleavage

Not Available

Distinct on {001} and {110}, indistinct on {100}

1.7 Mohs Hardness

5-6.52-3

2 10

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Boulder Opal and Phosgenite Chemical Formula

While comparing Boulder Opal and Phosgenite 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 Phosgenite chemical formula.

Chemical formula of Boulder Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Boulder Opal Vs Chrome Tourmaline

Boulder Opal and Phosgenite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Phosgenite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Phosgenite Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 6.13 whereas that of Phosgenite is 6.13.