Wavellite and Iolite Physical Properties

Wavellite

Iolite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.362.6-2.7

1 7.18

1.5 Fracture

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

Not Available

1.6 Cleavage

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

3,1

1.7 Mohs Hardness

3.5-47-7.5

2 10

1.8 Chemical Composition

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

Mg₂Al₄Si₅O₁₈

Wavellite and Iolite Chemical Formula

While comparing Wavellite and Iolite 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 Iolite chemical formula.

Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Iolite- Mg₂Al₄Si₅O₁₈

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Wavellite and Iolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wavellite and Iolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Iolite Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 2.6-2.7 whereas that of Iolite is 2.6-2.7.