Wavellite and Staurolite Physical Properties

Wavellite

Staurolite

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

insoluble

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.363.7-3.8

1 7.18

1.5 Fracture

Uneven, Subconchoidal, UnevenArthur Thomas, Fibrous

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

1.6 Cleavage

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

Distinct on {010}

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

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

Wavellite and Staurolite Chemical Formula

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

Compare Green Gemstones

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Wavellite and Staurolite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Wavellite and Staurolite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Wavellite and Staurolite Optical Properties during the identification of gemstone. Specific gravity of Wavellite is 3.7-3.8 whereas that of Staurolite is 3.7-3.8.