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Mottramite
Mottramite

White Opal
White Opal



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Mottramite
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White Opal

Mottramite and White Opal Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
5.91.98-2.50
Amber
1 7.18
1.5 Fracture
Sub-Conchoidal, Brittle, Metallic
Conchoidal, Conchoidal, Gemstones of the world (2001)
1.6 Cleavage
None observed
Not Available
1.7 Mohs Hardness
35.5-6.5
Amber
2 10
1.8 Chemical Composition
Not Available
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Mottramite and White Opal Chemical Formula

While comparing Mottramite and White 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 Mottramite and White Opal chemical formula.

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  • Chemical formula of White Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Mottramite and White Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mottramite and White Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mottramite and White Opal Optical Properties during the identification of gemstone. Specific gravity of Mottramite is 1.98-2.50 whereas that of White Opal is 1.98-2.50.