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Hurlbutite
Hurlbutite

Opal
Opal



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Hurlbutite
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Opal

Hurlbutite and Opal Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.90
Conchoidal
None
6
CaBe 2(PO 4) 2Michael O’Donoghue , Gems, Sixth Edition (2006)
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Hurlbutite and Opal Chemical Formula

While comparing Hurlbutite and 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 Hurlbutite and Opal chemical formula.

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Hurlbutite and Opal Specific Gravity

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