Nosean and Precious Opal Physical Properties

Nosean

Precious Opal

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.30-2.40

Uneven, Conchoidal

{110} Perfect

-9999

Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)

1.98-2.25

Conchoidal

None

5-6.5

SiO 2 · nH 2OGemdat.org , Management Team (2012)

Nosean and Precious Opal Chemical Formula

While comparing Nosean 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 Nosean and Precious Opal chemical formula.

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Nosean and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Nosean and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Nosean Vs Precious Opal during the identification of gemstone. Specific gravity of Nosean is whereas that of Precious Opal is .