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Mexican fire opal
Mexican fire opal

Dumortierite
Dumortierite



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Mexican fire opal
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Dumortierite

Mexican fire opal and Dumortierite 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 Available
3.26-3.41
1.5 Fracture
Not Available
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
1.6 Cleavage
Not Available
Distinct on {100}, poor on {110}; parting on {001}
1.7 Mohs Hardness
Not Available
7-8.5
1.8 Chemical Composition
Not Available
AlAl6O3BSi3O18

Mexican fire opal and Dumortierite Chemical Formula

While comparing Mexican fire opal and Dumortierite 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 Dumortierite chemical formula.

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  • Chemical formula of Dumortierite- AlAl6O3BSi3O18

Mexican fire opal and Dumortierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mexican fire opal and Dumortierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mexican fire opal and Dumortierite Optical Properties during the identification of gemstone. Specific gravity of Mexican fire opal is 3.26-3.41 whereas that of Dumortierite is 3.26-3.41.