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Herderite
Herderite

Fire Opal
Fire Opal



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Herderite
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Fire Opal

Herderite and Fire Opal Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90-3.02
Subconchoidal, Conchoidal
Indistinct on {110}
5-5.5
CaBePO 4(F,OH)Ulrich Henn and Claudio C.
 
-
-
-
1.97-2.22
Conchoidal
None
6-6.5
SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001) More from other references

Herderite and Fire Opal Chemical Formula

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

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Herderite and Fire Opal Specific Gravity

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