Anglesite and Precious Opal Physical Properties

Anglesite

Precious 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

6.30-6.391.98-2.25

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal

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

1.6 Cleavage

[001] good, [210] distinct

Not Available

1.7 Mohs Hardness

3-3.55-6.5

2 10

1.8 Chemical Composition

PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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

Anglesite and Precious Opal Chemical Formula

While comparing Anglesite 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 Anglesite and Precious Opal chemical formula.

Chemical formula of Anglesite- PbSO 4Michael 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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Anglesite and Precious Opal Specific Gravity

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