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Precious Opal
Precious Opal

Labradorite
Labradorite



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Precious Opal
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Labradorite

Precious Opal and Labradorite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.98-2.252.69-2.72
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
Uneven, Conchoidal, Gems, Sixth Edition (2006)
1.6 Cleavage
Not Available
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
1.7 Mohs Hardness
5-6.56-6.5
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OGemdat.org , Management Team (2012)
(Na,Ca)1-2Si3-2O8

Precious Opal and Labradorite Chemical Formula

While comparing Precious Opal and Labradorite 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 Labradorite chemical formula.

  • Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)
  • Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8

Precious Opal and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Precious Opal and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Precious Opal and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Precious Opal is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.