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Opal
Opal

Chlorite group
Chlorite group



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Opal
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Chlorite group

Opal and Chlorite group Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O
 
-
-
-
2.6-3.3
Lamellar
Perfect 001
2-2.5
(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6

Opal and Chlorite group Chemical Formula

While comparing Opal and Chlorite group 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 Opal and Chlorite group chemical formula.

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Opal and Chlorite group Specific Gravity

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