Elbaite and Ekanite Physical Properties

Elbaite

Ekanite

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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

2.90-3.103.28-3.32

1 7.18

1.4 Fracture

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

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Uneven

1.5 Cleavage

Poor/indistinct on {1120} and {1011}

{101} Distinct

1.6 Mohs Hardness

76-6.5

2 10

1.9 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

ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references

Elbaite and Ekanite Chemical Formula

While comparing Elbaite and Ekanite 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 Ekanite 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 Ekanite- ThCa 2Si 8O 20Walter Schumann , Gemstones of the world (2001) More from other references

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Elbaite and Ekanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Ekanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Ekanite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 3.28-3.32 whereas that of Ekanite is 3.28-3.32.