Staurolite and Wavellite Physical Properties

Staurolite

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

3.7-3.82.36

1 7.18

1.5 Fracture

Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

1.6 Cleavage

Distinct on {010}

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

1.7 Mohs Hardness

7-7.53.5-4

2 10

1.8 Chemical Composition

(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.

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

Staurolite and Wavellite Chemical Formula

While comparing Staurolite 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 Staurolite and Wavellite chemical formula.

Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 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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Staurolite and Wavellite Specific Gravity

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