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Mottramite
Mottramite

Wood Opal
Wood Opal



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Mottramite
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Wood Opal

Mottramite and Wood Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
Soluble
-
5.9
Sub-Conchoidal
None observed
3
PbCu(VO4)(OH)
 
-
-
-
1.98-2.50
-
None
5.5-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

Mottramite and Wood Opal Chemical Formula

While comparing Mottramite and Wood 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 Wood Opal chemical formula.

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Mottramite and Wood Opal Specific Gravity

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