Elbaite and Natrolite Physical Properties

Elbaite

Natrolite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.90-3.10

Uneven, Conchoidal

Poor/indistinct on {1120} and {1011}

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

Brittle

2.20-2.26

Uneven

Perfect on {110}

5-5.5

Na 2[Al 2Si 3O 10] · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Elbaite and Natrolite Chemical Formula

While comparing Elbaite and Natrolite 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 Natrolite chemical formula.

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Elbaite and Natrolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Natrolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite Vs Natrolite during the identification of gemstone. Specific gravity of Elbaite is whereas that of Natrolite is .