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Piemontite
Piemontite

Matrix Opal
Matrix Opal



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Piemontite
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Matrix Opal

Piemontite and Matrix 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)
 
-
-
-
1.98-2.50
Conchoidal
None
5.5-6.5
SiO2·nH2O

Piemontite and Matrix Opal Chemical Formula

While comparing Piemontite and Matrix 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 Matrix Opal chemical formula.

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Piemontite and Matrix Opal Specific Gravity

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