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Jacobsite
Jacobsite

Poudretteite
Poudretteite



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Jacobsite
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Poudretteite

Jacobsite and Poudretteite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
4.76-5.03
Conchoidal
None
5.5-6.5
(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)
 
Brittle
-
-
2.51-2.53
Conchoidal, Splintery
None
5
KNa 2B 3Si 12O 30Michael O’Donoghue , Gems, Sixth Edition (2006)

Jacobsite and Poudretteite Chemical Formula

While comparing Jacobsite and Poudretteite 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 Jacobsite and Poudretteite chemical formula.

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Jacobsite and Poudretteite Specific Gravity

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