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Sapphire
Sapphire

Witherite
Witherite



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Sapphire
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Witherite

Sapphire and Witherite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble
-
3.95-4.03
Uneven
None, but may exhibit parting
9
Al 2 O 3
 
-
-
-
4.27-4.35
Conchoidal
{010} Distinct
3-3.5
BaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Sapphire and Witherite Chemical Formula

While comparing Sapphire and Witherite 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 Sapphire and Witherite chemical formula.

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Sapphire and Witherite Specific Gravity

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