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Hureaulite
Hureaulite

Dravite
Dravite



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Hureaulite
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Dravite

Hureaulite and Dravite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.19
Uneven
{???} Distinct
3.5
Mn2+5(PO 4) 2(PO 3OH) 2 · 4H 2O)Michael O’Donoghue , Gems, Sixth Edition (2006)
 
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-
-
3.03-3.18
Uneven, Irregular, Conchoidal
{???} Indistinct
7-7.5
Na(Mg 3)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

Hureaulite and Dravite Chemical Formula

While comparing Hureaulite and Dravite 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 Hureaulite and Dravite chemical formula.

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Hureaulite and Dravite Specific Gravity

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