Grandidierite and Wavellite Physical Properties

Grandidierite

Wavellite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

2.85-3.00

Uneven

Perfect

7.5

(Mg,Fe)Al 3(BO 4)(SiO 4)OUlrich Henn and Claudio C.

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

Grandidierite and Wavellite Chemical Formula

While comparing Grandidierite 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 Grandidierite and Wavellite chemical formula.

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Grandidierite and Wavellite Specific Gravity

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