Linarite and Crystal Opal Physical Properties

Linarite

Crystal 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

5.351.97-2.22

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {100}, imperfect on {001}

Not Available

1.7 Mohs Hardness

2.55.5-6.5

2 10

1.8 Chemical Composition

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

SiO 2 + H 2OUlrich Henn and Claudio C.

Linarite and Crystal Opal Chemical Formula

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

Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Crystal Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

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Linarite and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Linarite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Linarite and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Linarite is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.