Wavellite and Spinel Physical Properties

Wavellite

Spinel

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

insoluble

none

1.3 Durability

Not Available

1.4 Specific Gravity

2.363.64-3.66

1 7.18

1.5 Fracture

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

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

None, but may exhibit slight parting

1.7 Mohs Hardness

3.5-48

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

MgAl₂O₄

Wavellite and Spinel Chemical Formula

While comparing Wavellite and Spinel 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 Spinel 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 Spinel- MgAl₂O₄

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Wavellite and Spinel Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wavellite and Spinel Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Spinel Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 3.64-3.66 whereas that of Spinel is 3.64-3.66.