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Chiastolite
Chiastolite

Sard
Sard



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Chiastolite
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Sard

Chiastolite 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
3.00-3.152.58-2.63
Amber
1 7.18
1.5 Fracture
Not Available
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
Not Available
1.7 Mohs Hardness
5-5.56.5-7
Amber
2 10
1.8 Chemical Composition
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006)
SiO 2Ulrich Henn and Claudio C.

Chiastolite and Sard Chemical Formula

While comparing Chiastolite 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 Chiastolite and Sard chemical formula.

  • Chemical formula of Chiastolite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006)
  • Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

Chiastolite and Sard Specific Gravity

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