Mexican fire opal and Stichtite Physical Properties
Tenacity
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Solubility
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Durability
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Specific Gravity
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2.11-2.20
Fracture
Not Available
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Uneven
Cleavage
Not Available
Perfect on {0001}
Mohs Hardness
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Not Available
Chemical Composition
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Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mexican fire opal and Stichtite Chemical Formula
While comparing Mexican fire opal and Stichtite 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 Mexican fire opal and Stichtite chemical formula.
>- Chemical formula of Stichtite- Mg 6Cr 2(CO 3)(OH) 16 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Mexican fire opal and Stichtite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Mexican fire opal and Stichtite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mexican fire opal and Stichtite Optical Properties during the identification of gemstone. Specific gravity of Mexican fire opal is 2.11-2.20 whereas that of Stichtite is 2.11-2.20.