Chrysoprase and Elbaite Physical Properties

Chrysoprase

Elbaite

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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

2.58-2.642.90-3.10

1 7.18

1.5 Fracture

Gems, Sixth Edition (2006)

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

1.6 Cleavage

None

Poor/indistinct on {1120} and {1011}

1.7 Mohs Hardness

6.5-77

2 10

1.8 Chemical Composition

SiO₂ (with a high level of nickel impurities )

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

Chrysoprase and Elbaite Chemical Formula

While comparing Chrysoprase and Elbaite 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 Chrysoprase and Elbaite chemical formula.

Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )
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

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Chrysoprase and Elbaite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Chrysoprase and Elbaite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Chrysoprase and Elbaite Optical Properties during the identification of gemstone. Specific gravity of Chrysoprase is 2.90-3.10 whereas that of Elbaite is 2.90-3.10.