Phosgenite and Precious Opal Physical Properties

Phosgenite

Precious Opal

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1 Physical Properties

1.1 Tenacity

Sectile

Not Available

1.2 Solubility

Soluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

6.131.98-2.25

1 7.18

1.5 Fracture

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

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references

1.6 Cleavage

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

Not Available

1.7 Mohs Hardness

2-35-6.5

2 10

1.8 Chemical Composition

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

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Phosgenite and Precious Opal Chemical Formula

While comparing Phosgenite and Precious 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 Phosgenite and Precious Opal chemical formula.

Chemical formula of Phosgenite- Pb 2(CO 3)Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

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Phosgenite and Precious Opal Specific Gravity

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