Rubellite and Hackmanite Physical Properties

Rubellite

Hackmanite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.01-3.06

2.27-2.33

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Not Available

1.7 Mohs Hardness

7-7.5

5.5-6

1.8 Chemical Composition

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.

Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Rubellite and Hackmanite Chemical Formula

While comparing Rubellite and Hackmanite 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 Hackmanite chemical formula.

Chemical formula of Rubellite- 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.
Chemical formula of Hackmanite- Na 8Al 6Si 6O 24Cl 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Rubellite Vs Shattuckite

Rubellite Vs Serendibite

Rubellite Vs Scorzalite

Rubellite and Hackmanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rubellite and Hackmanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Hackmanite Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 2.27-2.33 whereas that of Hackmanite is 2.27-2.33.