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Sapphirine and Boulder Opal Physical Properties


Boulder Opal and Sapphirine Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.40-3.58   
1.98-2.25   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), Uneven   
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   

Cleavage
{010} Perfect   
Not Available   

Mohs Hardness
7.5   
5-6.5   

Chemical Composition
(Al,Mg) 8(Al,Si) 6O 20Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
SiO 2 + H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Sapphirine and Boulder Opal Chemical Formula

While comparing Sapphirine and Boulder 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 Sapphirine and Boulder Opal chemical formula.

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Sapphirine and Boulder Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sapphirine and Boulder Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sapphirine and Boulder Opal Optical Properties during the identification of gemstone. Specific gravity of Sapphirine is 1.98-2.25 whereas that of Boulder Opal is 1.98-2.25.

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Green Gemstones


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