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Precious Opal
Precious Opal

Hemimorphite
Hemimorphite



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Precious Opal
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Hemimorphite

Precious Opal and Hemimorphite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.98-2.25
Conchoidal
None
5-6.5
SiO 2 · nH 2OGemdat.org , Management Team (2012)
 
Brittle
Soluble
-
3.30-3.50
Uneven, ConchoidalWalter Schumann, Conchoidal
Perfect on {110}, poor on {101}, {001} rare
5
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Precious Opal and Hemimorphite Chemical Formula

While comparing Precious Opal and Hemimorphite 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 Precious Opal and Hemimorphite chemical formula.

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Precious Opal and Hemimorphite Specific Gravity

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