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Piemontite
Piemontite

Alabaster
Alabaster



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Piemontite
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Alabaster

Piemontite and Alabaster 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)
 
-
-
-
2.30
-
None
2
CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)

Piemontite and Alabaster Chemical Formula

While comparing Piemontite and Alabaster 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 Alabaster chemical formula.

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Piemontite and Alabaster Specific Gravity

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