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Demantoid
Demantoid

Crystal Opal
Crystal Opal



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Demantoid
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Crystal Opal

Demantoid and Crystal Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.77-3.95
-
Imperfect
6.5
Ca 3Fe 2(SiO 4) 3Ulrich Henn and Claudio C.
 
-
-
-
1.97-2.22
Conchoidal
None
5.5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.

Demantoid and Crystal Opal Chemical Formula

While comparing Demantoid and Crystal 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 Demantoid and Crystal Opal chemical formula.

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Demantoid and Crystal Opal Specific Gravity

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