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Opal Australia
Opal Australia

Siderite
Siderite



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Opal Australia
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Siderite

Opal Australia and Siderite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
-9999
-
None
5.5-6.5
SiO2*nH2O
 
Brittle
-
-
3.83-3.89
Uneven, Conchoidal
Perfect on {01 1 1}
3.5-4.5
Fe2+ CO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Opal Australia and Siderite Chemical Formula

While comparing Opal Australia and Siderite 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 Australia and Siderite chemical formula.

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Opal Australia and Siderite Specific Gravity

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