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Carnelian
Carnelian

Dravite
Dravite



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Carnelian
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Dravite

Carnelian and Dravite Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.58-2.64
Uneven, Splintery, Conchoidal
Absent
6.5-7
SiO2
 
-
-
-
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)

Carnelian and Dravite Chemical Formula

While comparing Carnelian 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 Carnelian and Dravite chemical formula.

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Carnelian and Dravite Specific Gravity

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