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Boulder Opal and Nosean Physical Properties


Nosean and Boulder Opal Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
1.98-2.25   
2.30-2.40   

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

Cleavage
Not Available   
{110} Perfect   

Mohs Hardness
5-6.5   
Not Available   

Chemical Composition
SiO 2 + H 2OUlrich Henn and Claudio C.   
Na 8Al 6Si 6O 24(SO 4) · H 2OAnthony et al , Handbook of Mineralogy (2001)   

Optical Properties >>
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Boulder Opal and Nosean Chemical Formula

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

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Boulder Opal and Nosean Specific Gravity

Another important criteria for qualitative analysis of gemstones is Boulder Opal and Nosean Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Boulder Opal and Nosean Optical Properties during the identification of gemstone. Specific gravity of Boulder Opal is 2.30-2.40 whereas that of Nosean is 2.30-2.40.

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