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Elbaite
Elbaite

Boracite
Boracite



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Elbaite and Boracite Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Soluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.90-3.10
2.95-2.96
1.5 Fracture
Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Poor/indistinct on {1120} and {1011}
None
1.7 Mohs Hardness
7
7-7.5
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) More from other references
Mg 3B 7O 13ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Elbaite and Boracite Chemical Formula

While comparing Elbaite and Boracite 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 Elbaite and Boracite chemical formula.

  • Chemical formula of Elbaite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) More from other references
  • Chemical formula of Boracite- Mg 3B 7O 13ClMichael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Elbaite and Boracite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Boracite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Boracite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 2.95-2.96 whereas that of Boracite is 2.95-2.96.