Wavellite and Achroite Physical Properties

Wavellite

Achroite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

insoluble

2.36

Uneven, Subconchoidal, Fibrous

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

3.5-4

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

2.90-3.40

Uneven, ConchoidalWalter Schumann

Indiscernible

7-7.5

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.

Wavellite and Achroite Chemical Formula

While comparing Wavellite and Achroite 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 Wavellite and Achroite chemical formula.

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Wavellite and Achroite Specific Gravity

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