Elbaite and Kunzite Physical Properties

Elbaite

Kunzite

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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

3.15-3.21

1,2 prismatic

6-7

LiAlSi₂O₆

Elbaite and Kunzite Chemical Formula

While comparing Elbaite and Kunzite 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 Kunzite 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 Kunzite- LiAlSi₂O₆

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Elbaite and Kunzite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Kunzite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Kunzite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 3.15-3.21 whereas that of Kunzite is 3.15-3.21.