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Prase
Prase

Sard
Sard



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Prase
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Sard

Prase 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
2.64-2.692.58-2.63
Amber
1 7.18
1.5 Fracture
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
76.5-7
Amber
2 10
1.8 Chemical Composition
SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)
SiO 2Ulrich Henn and Claudio C.

Prase and Sard Chemical Formula

While comparing Prase 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 Prase and Sard chemical formula.

  • Chemical formula of Prase- SiO 2Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

Prase and Sard Specific Gravity

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