Elbaite and Zincite Physical Properties

Elbaite

Zincite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.105.50-5.90

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

Poor/indistinct on {1120} and {1011}

On {10 1 0}, perfect; parting on {000 1 }

1.7 Mohs Hardness

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) More from other references

(Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

Elbaite and Zincite Chemical Formula

While comparing Elbaite and Zincite 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 Zincite 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 Zincite- (Zn,Mn2+ )OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Elbaite and Zincite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Zincite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Zincite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 5.50-5.90 whereas that of Zincite is 5.50-5.90.