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Rubellite
Rubellite

Smithsonite
Smithsonite



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Rubellite
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Smithsonite

Rubellite and Smithsonite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.01-3.064.00-4.65
Amber
1 7.18
1.5 Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
Uneven, Sub-Conchoidal, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
1.6 Cleavage
Not Available
Perfect on [1011]
1.7 Mohs Hardness
7-7.55-5.5
Amber
2 10
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.
ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Rubellite and Smithsonite Chemical Formula

While comparing Rubellite and Smithsonite 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 Smithsonite 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 Smithsonite- ZnCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Rubellite and Smithsonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rubellite and Smithsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Smithsonite Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 4.00-4.65 whereas that of Smithsonite is 4.00-4.65.