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Crystal Opal
Crystal Opal
☒

Pyrope Spessartine
Pyrope Spessartine
☒



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Crystal Opal
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Pyrope Spessartine

Crystal Opal and Pyrope Spessartine Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.97-2.22
Conchoidal
None
5.5-6.5
SiO 2 + H 2OUlrich Henn and Claudio C.
 
-
-
-
3.62-4.33
Uneven
None
7-7.5
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Crystal Opal and Pyrope Spessartine Chemical Formula

While comparing Crystal Opal and Pyrope Spessartine 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 Crystal Opal and Pyrope Spessartine chemical formula.

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Crystal Opal and Pyrope Spessartine Specific Gravity

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