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Witherite
Witherite

Kyanite
Kyanite



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Witherite
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Kyanite

Witherite and Kyanite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.27-4.35
Conchoidal
{010} Distinct
3-3.5
BaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
Brittle
-
-
3.53-3.65
Splintery
[100] perfect [010] imperfect with 79° angle between
4-7
Al2SiO5

Witherite and Kyanite Chemical Formula

While comparing Witherite and Kyanite 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 Witherite and Kyanite chemical formula.

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Witherite and Kyanite Specific Gravity

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