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Narsarsukite
Narsarsukite

Opal
Opal



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Narsarsukite
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Opal

Narsarsukite and Opal Physical Properties

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Physical Properties

Tenacity

Brittle
BrittleWalter Schumann

Solubility

-
hot salt water

Durability

-
-

Specific Gravity

2.72-2.831.98-2.25
1 7.18
👆🏻

Fracture

Uneven
Conchoidal

Cleavage

Good on {100} and {110}
None

Mohs Hardness

6-75-6.5
2 10
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Chemical Composition

Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
SiO2 · nH2O

Narsarsukite and Opal Chemical Formula

While comparing Narsarsukite 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 Narsarsukite and Opal chemical formula.

  • Chemical formula of Narsarsukite- Na 2(Ti,Fe)Si 4(O,F) 11Ulrich Henn and Claudio C.
  • Chemical formula of Opal- SiO2 · nH2O

Narsarsukite and Opal Specific Gravity

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