Elbaite and Jadeite Physical Properties

Elbaite

Jadeite

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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

2.90-3.103.28-3.38

1 7.18

1.5 Fracture

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

Splintery, UnevenArthur Thomas, Difficult, Fibrous

1.6 Cleavage

Poor/indistinct on {1120} and {1011}

Good on [110]

1.7 Mohs Hardness

76.5-7

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

NaAlSi 2O 6Ulrich Henn and Claudio C.

Elbaite and Jadeite Chemical Formula

While comparing Elbaite and Jadeite 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 Jadeite 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 Jadeite- NaAlSi 2O 6Ulrich Henn and Claudio C.

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Elbaite and Jadeite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Jadeite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Jadeite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 3.28-3.38 whereas that of Jadeite is 3.28-3.38.