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Piemontite
Piemontite

Mexican fire opal
Mexican fire opal



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Piemontite
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Mexican fire opal

Piemontite and Mexican fire opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
-9999
Uneven, Splintery
[001] good, [100] distinct
6-6.5
Ca2Al3(SiO4)(Si2O7)O(OH)
 
-
-
-
-9999
-
None
-9999
SiO2·nH2O

Piemontite and Mexican fire opal Chemical Formula

While comparing Piemontite and Mexican fire 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 Piemontite and Mexican fire opal chemical formula.

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Piemontite and Mexican fire opal Specific Gravity

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