×

Mexican fire opal
Mexican fire opal

Andalusite
Andalusite



ADD
Compare
X
Mexican fire opal
X
Andalusite

Mexican fire opal and Andalusite 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 Available3.05-3.21
Amber
1 7.18
1.5 Fracture
Not Available
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
1.6 Cleavage
Not Available
Good on {110}, poor on {100}
1.7 Mohs Hardness
Not Available7.5
Amber
2 10
1.8 Chemical Composition
Not Available
Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Mexican fire opal and Andalusite Chemical Formula

While comparing Mexican fire opal and Andalusite 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 Andalusite chemical formula.

    >
  • Chemical formula of Andalusite- Al 2SiO 5Michael O’Donoghue , Gems, Sixth edition (2006) More from other references

Mexican fire opal and Andalusite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Mexican fire opal and Andalusite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Mexican fire opal and Andalusite Optical Properties during the identification of gemstone. Specific gravity of Mexican fire opal is 3.05-3.21 whereas that of Andalusite is 3.05-3.21.