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Mexican fire opal
Mexican fire opal

Willemite
Willemite



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Mexican fire opal
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Willemite

Mexican fire opal and Willemite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available3.89-4.18
Amber
1 7.18
1.5 Fracture
Not Available
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven
1.6 Cleavage
Not Available
{0001}, {11 2 0} imperfect
1.7 Mohs Hardness
Not Available5.5
Amber
2 10
1.8 Chemical Composition
Not Available
Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mexican fire opal and Willemite Chemical Formula

While comparing Mexican fire opal and Willemite 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 Willemite chemical formula.

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  • Chemical formula of Willemite- Zn 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Mexican fire opal and Willemite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mexican fire opal and Willemite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mexican fire opal and Willemite Optical Properties during the identification of gemstone. Specific gravity of Mexican fire opal is 3.89-4.18 whereas that of Willemite is 3.89-4.18.