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Taaffeite
Taaffeite

Sard
Sard



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Taaffeite
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Sard

Taaffeite 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
3.60-3.61
2.58-2.63
1.5 Fracture
Conchoidal
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Imperfect/fair/absent
Not Available
1.7 Mohs Hardness
8-8.5
6.5-7
1.8 Chemical Composition
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
SiO 2Ulrich Henn and Claudio C.

Taaffeite and Sard Chemical Formula

While comparing Taaffeite 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 Taaffeite and Sard chemical formula.

  • Chemical formula of Taaffeite- Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Sard- SiO 2Ulrich Henn and Claudio C.

Taaffeite and Sard Specific Gravity

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