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Montebrasite and Crystal Opal Physical Properties


Crystal Opal and Montebrasite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.98-3.10   
1.97-2.22   

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

Cleavage
{100} Perfect, {110} Good, {011} Distinct   
Not Available   

Mohs Hardness
5.5-6   
5.5-6.5   

Chemical Composition
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references   
SiO 2 + H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Montebrasite and Crystal Opal Chemical Formula

While comparing Montebrasite 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 Montebrasite and Crystal Opal chemical formula.

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Montebrasite and Crystal Opal Specific Gravity

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

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