Rubellite and Marcasite Physical Properties

Rubellite

Marcasite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

3.01-3.06

Conchoidal

Indiscernible

7-7.5

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

4.80-4.90

Uneven

{010} Indistinct

6-6.5

FeS 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rubellite and Marcasite Chemical Formula

While comparing Rubellite and Marcasite 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 Rubellite and Marcasite chemical formula.

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Rubellite Vs Shattuckite

Rubellite Vs Sillimanite

Rubellite and Marcasite Specific Gravity

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