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Natrolite
Natrolite

Precious Opal
Precious Opal



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Natrolite
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Precious Opal

Natrolite 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
2.20-2.261.98-2.25
Amber
1 7.18
1.5 Fracture
Uneven, Brittle, Metallic, Gemstones (2009)
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references
1.6 Cleavage
Perfect on {110}
Not Available
1.7 Mohs Hardness
5-5.55-6.5
Amber
2 10
1.8 Chemical Composition
Na 2[Al 2Si 3O 10] · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO 2 · nH 2OGemdat.org , Management Team (2012)

Natrolite and Precious Opal Chemical Formula

While comparing Natrolite 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 Natrolite and Precious Opal chemical formula.

  • Chemical formula of Natrolite- Na 2[Al 2Si 3O 10] · 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

Natrolite and Precious Opal Specific Gravity

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