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Matrix Opal
Matrix Opal

Piemontite
Piemontite



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Matrix Opal
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Piemontite

Matrix Opal and Piemontite Physical Properties

Physical Properties

Tenacity

-
Brittle

Solubility

-
-

Durability

-
-

Specific Gravity

1.98-2.50-9999
1 7.18
👆🏻

Fracture

Conchoidal
Uneven, Splintery

Cleavage

None
[001] good, [100] distinct

Mohs Hardness

5.5-6.56-6.5
2 10
👆🏻

Chemical Composition

SiO2·nH2O
Ca2Al3(SiO4)(Si2O7)O(OH)

Matrix Opal and Piemontite Chemical Formula

While comparing Matrix Opal and Piemontite 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 Matrix Opal and Piemontite chemical formula.

  • Chemical formula of Matrix Opal- SiO2·nH2O
  • Chemical formula of Piemontite- Ca2Al3(SiO4)(Si2O7)O(OH)

Matrix Opal and Piemontite Specific Gravity

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