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Diaspore
Diaspore

Sard
Sard



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Diaspore
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Sard

Diaspore and Sard Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Very brittle
insoluble
-
3.30-3.40
Conchoidal
{010} perfect, {110} distinct, {100} in traces
6.5-7
AlO(OH)Walter 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.

Diaspore and Sard Chemical Formula

While comparing Diaspore 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 Diaspore and Sard chemical formula.

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Diaspore and Sard Specific Gravity

Another important criteria for qualitative analysis of gemstones is Diaspore and Sard Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Diaspore Vs Sard during the identification of gemstone. Specific gravity of Diaspore is whereas that of Sard is .