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Witherite
Witherite

Bertrandite
Bertrandite



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Witherite
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Bertrandite

Witherite and Bertrandite Physical Properties

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
 
-
-
-
2.59-2.60
-
{001} Perfect, {110} Distinct, {101} Distinct
6-7
Be 4Si 2O 7(OH) 2Anthony et al , Handbook of mineralogy (2001)

Witherite and Bertrandite Chemical Formula

While comparing Witherite and Bertrandite 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 Bertrandite chemical formula.

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Witherite and Bertrandite Specific Gravity

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