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Mimetite
Mimetite

Precious Opal
Precious Opal



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Mimetite
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Precious Opal

Mimetite and Precious Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
7.101.98-2.25
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
1.6 Cleavage
[10 1 1] Imperfect
Not Available
1.7 Mohs Hardness
3.55-6.5
Amber
2 10
1.8 Chemical Composition
Pb 5(AsO 4) 3ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 · nH 2OGemdat.org , Management Team (2012)

Mimetite and Precious Opal Chemical Formula

While comparing Mimetite 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 Mimetite and Precious Opal chemical formula.

  • Chemical formula of Mimetite- Pb 5(AsO 4) 3ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Mimetite and Precious Opal Specific Gravity

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