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Fire Opal
Fire Opal

Milarite
Milarite



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Fire Opal
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Milarite

Fire Opal and Milarite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
1.97-2.22
Conchoidal
None
6-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references
 
-
-
-
2.52-2.60
Uneven, Conchoidal
{0001} Imperfect, {1120} Imperfect
5.5-6
KCa 2AlBe 2Si 12O 30 · 0.5H 2OMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Fire Opal and Milarite Chemical Formula

While comparing Fire Opal and Milarite 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 Milarite chemical formula.

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Fire Opal and Milarite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fire Opal and Milarite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fire Opal Vs Milarite during the identification of gemstone. Specific gravity of Fire Opal is whereas that of Milarite is .