Rubellite and Wavellite Physical Properties

Rubellite

Wavellite

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Physical Properties

Tenacity

Solubility

insoluble

Durability

Specific Gravity

3.01-3.062.36

1 7.18

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Fracture

Conchoidal

Uneven, Subconchoidal, Fibrous

Cleavage

Indiscernible

[110] perfect, [101] good, [010] distinct

Mohs Hardness

7-7.53.5-4

2 10

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Chemical Composition

Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.

Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Rubellite and Wavellite Chemical Formula

While comparing Rubellite and Wavellite 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 Rubellite and Wavellite chemical formula.

Chemical formula of Rubellite- Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.
Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Compare Blue Gemstones

Rubellite Vs Serendibite

Rubellite Vs Shattuckite

Rubellite Vs Sillimanite

Rubellite and Wavellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Rubellite and Wavellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Rubellite and Wavellite Optical Properties during the identification of gemstone. Specific gravity of Rubellite is 2.36 whereas that of Wavellite is 2.36.