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Fire Opal
Fire Opal

Montebrasite
Montebrasite



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Fire Opal
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Montebrasite

Fire Opal and Montebrasite 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
1.97-2.222.98-3.10
Amber
1 7.18
1.5 Fracture
Conchoidal, Conchoidal, Gemstones of the world (2001)
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
Not Available
{100} Perfect, {110} Good, {011} Distinct
1.7 Mohs Hardness
6-6.55.5-6
Amber
2 10
1.8 Chemical Composition
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Fire Opal and Montebrasite Chemical Formula

While comparing Fire Opal and Montebrasite 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 Fire Opal and Montebrasite chemical formula.

  • Chemical formula of Fire Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
  • Chemical formula of Montebrasite- LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references

Fire Opal and Montebrasite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fire Opal and Montebrasite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Opal and Montebrasite Optical Properties during the identification of gemstone. Specific gravity of Fire Opal is 2.98-3.10 whereas that of Montebrasite is 2.98-3.10.