Sellaite and Wavellite Physical Properties

Sellaite

Wavellite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

insoluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.14-3.162.36

1 7.18

1.5 Fracture

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

1.6 Cleavage

Perfect on {010} and {110}

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

1.7 Mohs Hardness

5-5.53.5-4

2 10

1.8 Chemical Composition

MgF 2Ulrich Henn and Claudio C.

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

Sellaite and Wavellite Chemical Formula

While comparing Sellaite 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 Sellaite and Wavellite chemical formula.

Chemical formula of Sellaite- MgF 2Ulrich Henn and Claudio C.
Chemical formula of Wavellite- Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Sellaite and Wavellite Specific Gravity

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