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Linarite
Linarite

Opal
Opal



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Linarite
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Opal

Linarite and Opal Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
BrittleWalter Schumann
1.2 Solubility
Not Available
hot salt water
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.351.98-2.25
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references, Brittle
1.6 Cleavage
Perfect on {100}, imperfect on {001}
None
1.7 Mohs Hardness
2.55-6.5
Amber
2 10
1.8 Chemical Composition
PbCu(SO 4)(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
SiO2 · nH2O

Linarite and Opal Chemical Formula

While comparing Linarite and 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 Opal chemical formula.

  • Chemical formula of Linarite- PbCu(SO 4)(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Opal- SiO2 · nH2O

Linarite and Opal Specific Gravity

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