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Diaspore
Diaspore

Precious Opal
Precious Opal



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Diaspore
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Precious Opal

Diaspore and Precious Opal Physical Properties

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
 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)

Diaspore and Precious Opal Chemical Formula

While comparing Diaspore and Precious Opal 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 Precious Opal chemical formula.

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Diaspore and Precious Opal Specific Gravity

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