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Fire Opal
Fire Opal

Gypsum
Gypsum



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Fire Opal
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Gypsum

Fire Opal and Gypsum Physical Properties

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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
 
Flexible
Soluble
-
2.20-2.40
Conchoidal, Splintery, Fibrous
Perfect on {010}, distinct on {100}
2
CaSO 4 -2(H 2O)Arthur Thomas , Gemstones (2009)

Fire Opal and Gypsum Chemical Formula

While comparing Fire Opal and Gypsum 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 Gypsum chemical formula.

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Fire Opal and Gypsum Specific Gravity

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