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Pearl
Pearl

Sard
Sard



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Pearl
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Sard

Pearl and Sard Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.60-2.852.58-2.63
Amber
1 7.18
1.5 Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
none
Not Available
1.7 Mohs Hardness
2.5-4.56.5-7
Amber
2 10
1.8 Chemical Composition
Not Available
SiO 2Ulrich Henn and Claudio C.

Pearl and Sard Chemical Formula

While comparing Pearl 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 Pearl and Sard chemical formula.

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  • Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

Pearl and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pearl and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pearl and Sard Optical Properties during the identification of gemstone. Specific gravity of Pearl is 2.58-2.63 whereas that of Sard is 2.58-2.63.