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Polyhalite
Polyhalite

Riebeckite
Riebeckite



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Polyhalite
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Riebeckite

Polyhalite and Riebeckite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Brittle
1.2 Solubility
Soluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.783.28-3.44
Amber
1 7.18
1.5 Fracture
Conchoidal, Brittle
Uneven, Splintery, Brittle
1.6 Cleavage
Perfect on {10 1 }; parting on {010}
Perfect on {110}, intersecting at 56° and 124°; partings on {100} and {010}
1.7 Mohs Hardness
3.55.0-6.0
Amber
2 10
1.8 Chemical Composition
Not Available
Not Available

Polyhalite and Riebeckite Chemical Formula

While comparing Polyhalite and Riebeckite 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 Polyhalite and Riebeckite chemical formula.

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Polyhalite and Riebeckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Polyhalite and Riebeckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Polyhalite and Riebeckite Optical Properties during the identification of gemstone. Specific gravity of Polyhalite is 3.28-3.44 whereas that of Riebeckite is 3.28-3.44.