Esperite and Elbaite Physical Properties

Esperite

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

4.28-4.422.90-3.10

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Distinct on [010] and [100] poor on [101]

Poor/indistinct on {1120} and {1011}

1.7 Mohs Hardness

5-5.57

2 10

1.8 Chemical Composition

PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)

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

Esperite and Elbaite Chemical Formula

While comparing Esperite 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 Esperite and Elbaite chemical formula.

Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
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

Compare White Gemstones

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Esperite Vs Hackmanite

Esperite and Elbaite Specific Gravity

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