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Piemontite
Piemontite

Shigaite
Shigaite



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Piemontite
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Shigaite

Piemontite and Shigaite 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)
 
Moderately flexible
-
-
2.32
-
Perfect on {0001}
2
Pb6Cu3BiS4

Piemontite and Shigaite Chemical Formula

While comparing Piemontite and Shigaite 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 Shigaite chemical formula.

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Piemontite and Shigaite Specific Gravity

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