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Helenite and Boulder Opal Physical Properties


Boulder Opal and Helenite Physical Properties


Physical Properties

Tenacity
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Not Available   

Solubility
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Not Available   

Durability
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Not Available   

Specific Gravity
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1.98-2.25   

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

Cleavage
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Not Available   

Mohs Hardness
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5-6.5   

Chemical Composition
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SiO 2 + H 2OUlrich Henn and Claudio C.   

Optical Properties >>
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Helenite and Boulder Opal Chemical Formula

While comparing Helenite 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 Helenite and Boulder Opal chemical formula.

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Helenite and Boulder Opal Specific Gravity

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

Green Gemstones

Green Gemstones


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