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Datolite
Datolite

Dravite
Dravite



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Datolite
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Dravite

Datolite and Dravite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
2.90-3.00
Conchoidal, Uneven
None
5-5.5
CaBSiO 4(OH)Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
 
-
-
-
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)

Datolite and Dravite Chemical Formula

While comparing Datolite 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 Datolite and Dravite chemical formula.

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Datolite and Dravite Specific Gravity

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