Precious Opal and Linarite Physical Properties

Precious Opal

Linarite

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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

1.98-2.255.35

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

Not Available

Perfect on {100}, imperfect on {001}

1.7 Mohs Hardness

5-6.52.5

2 10

1.8 Chemical Composition

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

PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Precious Opal and Linarite Chemical Formula

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

Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Precious Opal Vs Sapphire

Precious Opal Vs Sardonyx

Precious Opal Vs Sard

Precious Opal and Linarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Precious Opal and Linarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal and Linarite Optical Properties during the identification of gemstone. Specific gravity of Precious Opal is 5.35 whereas that of Linarite is 5.35.