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Humite and Crystal Opal Physical Properties


Crystal Opal and Humite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.20-3.32   
1.97-2.22   

Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
Poor   
Not Available   

Mohs Hardness
6-6.5   
5.5-6.5   

Chemical Composition
(Mg,Fe2+ ) 7(SiO 4) 3(F,OH) 2Anthony et al , Handbook of mineralogy (2001)   
SiO 2 + H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Humite and Crystal Opal Chemical Formula

While comparing Humite 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 Humite and Crystal Opal chemical formula.

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Humite and Crystal Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Humite and Crystal Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Humite and Crystal Opal Optical Properties during the identification of gemstone. Specific gravity of Humite is 1.97-2.22 whereas that of Crystal Opal is 1.97-2.22.

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