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Alabaster
Alabaster

Sard
Sard



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Alabaster
X
Sard

Alabaster and Sard Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.30
-
None
2
CaSO 4 · 2H 2OWalter Schumann , Gemstones of the world (2001)
 
-
-
-
2.58-2.63
Conchoidal
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Alabaster and Sard Chemical Formula

While comparing Alabaster and Sard 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 Alabaster and Sard chemical formula.

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Alabaster and Sard Specific Gravity

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