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Sard
Sard

Alabaster
Alabaster



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Sard
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Alabaster

Sard and Alabaster Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

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

Sard and Alabaster Chemical Formula

While comparing Sard 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 Sard and Alabaster chemical formula.

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Sard and Alabaster Specific Gravity

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