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White Opal and Hemimorphite Physical Properties


Hemimorphite and White Opal Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
1.98-2.50   
3.30-3.50   

Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)   
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Conchoidal, Brittle   

Cleavage
Not Available   
Perfect on {110}, poor on {101}, {001} rare   

Mohs Hardness
5.5-6.5   
5   

Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)   
Zn 4Si 2O 7(OH) 2H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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White Opal and Hemimorphite Chemical Formula

While comparing White 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 White Opal and Hemimorphite chemical formula.

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White Opal and Hemimorphite Specific Gravity

Another important criteria for qualitative analysis of gemstones is White Opal and Hemimorphite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use White Opal and Hemimorphite Optical Properties during the identification of gemstone. Specific gravity of White Opal is 3.30-3.50 whereas that of Hemimorphite is 3.30-3.50.

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