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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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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.60-3.61
Conchoidal
Imperfect/fair/absent
8-8.5
Mg 3Al 8BeO 16Walter Schumann , Gemstones of the world (2001) More from other references
 
-
-
-
2.58-2.63
Conchoidal
None
6.5-7
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.

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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 Vs Sard during the identification of gemstone. Specific gravity of Taaffeite is whereas that of Sard is .