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Fluorite
Fluorite

Opal
Opal



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Fluorite
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Opal

Fluorite and Opal Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
slightly water soluble and in hot hydrochloric acid
-
3.00-3.25
Subconchoidal, Uneven, ConchoidalWalter Schumann
Octahedral, perfect on {111}, parting on {011}
4
CaF2
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Fluorite and Opal Chemical Formula

While comparing Fluorite 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 Fluorite and Opal chemical formula.

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Fluorite and Opal Specific Gravity

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