Elbaite and Clintonite Physical Properties

Elbaite

Clintonite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.90-3.103.0-3.1

1 7.18

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

Poor/indistinct on {1120} and {1011}

Perfect on {001}

1.7 Mohs Hardness

73.5

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

Ca(Mg,Al)3(Al3Si)O10(OH)2

Elbaite and Clintonite Chemical Formula

While comparing Elbaite and Clintonite 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 Clintonite 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 Clintonite- Ca(Mg,Al)3(Al3Si)O10(OH)2

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Elbaite and Clintonite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Elbaite and Clintonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Elbaite and Clintonite Optical Properties during the identification of gemstone. Specific gravity of Elbaite is 3.0-3.1 whereas that of Clintonite is 3.0-3.1.