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Friedelite
Friedelite

Opal
Opal



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Friedelite
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Opal

Friedelite and Opal Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.06-3.19
Uneven
{010} Perfect
4-5
Mn 8Si 6O 15(OH,Cl) 10Ulrich Henn and Claudio C.
 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O

Friedelite and Opal Chemical Formula

While comparing Friedelite 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 Friedelite and Opal chemical formula.

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Friedelite and Opal Specific Gravity

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