Weloganite and Precious Opal Physical Properties

Weloganite

Precious Opal

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.221.98-2.25

1 7.18

1.5 Fracture

Conchoidal, Brittle

Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references

1.6 Cleavage

Perfect on pseudo {0001}

Not Available

1.7 Mohs Hardness

35-6.5

2 10

1.8 Chemical Composition

Not Available

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

Weloganite and Precious Opal Chemical Formula

While comparing Weloganite 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 Weloganite and Precious Opal chemical formula.

Chemical formula of Precious Opal- SiO 2 · nH 2OGemdat.org , Management Team (2012)

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Weloganite and Precious Opal Specific Gravity

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