Brazilianite and Elbaite Physical Properties

Brazilianite

Elbaite

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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

2.98-2.992.90-3.10

1 7.18

1.5 Fracture

Conchoidal, Gems

Uneven, Conchoidal, Brittle, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle

1.6 Cleavage

(010) Distinct to good

Poor/indistinct on {1120} and {1011}

1.7 Mohs Hardness

5.57

2 10

1.8 Chemical Composition

NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Brazilianite and Elbaite Chemical Formula

While comparing Brazilianite and Elbaite 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 Brazilianite and Elbaite chemical formula.

Chemical formula of Brazilianite- NaAl 3(PO 4) 2(OH) 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
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

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Brazilianite and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Brazilianite and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Brazilianite and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Brazilianite is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.