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Piemontite
Piemontite

Annabergite
Annabergite



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Piemontite
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Annabergite

Piemontite and Annabergite 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)
 
Sectile
-
-
3.07
-
Perfect on {010}, indistinct on {100} and {102}
2
Ni3(AsO4)2•8(H2O)

Piemontite and Annabergite Chemical Formula

While comparing Piemontite and Annabergite 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 Annabergite chemical formula.

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Piemontite and Annabergite Specific Gravity

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