Anglesite and Staurolite Physical Properties

Anglesite

Staurolite

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Physical Properties

Tenacity

Brittle

Solubility

Durability

Specific Gravity

6.30-6.393.7-3.8

1 7.18

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Fracture

Conchoidal

Subconchoidal, Conchoidal

Cleavage

[001] good, [210] distinct

Distinct on {010}

Mohs Hardness

3-3.57-7.5

2 10

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Chemical Composition

PbSO 4Michael OâDonoghue , Gems, Sixth edition (2006) More from other references

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

Anglesite and Staurolite Chemical Formula

While comparing Anglesite 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 Anglesite and Staurolite chemical formula.

Chemical formula of Anglesite- PbSO 4Michael 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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Anglesite and Staurolite Specific Gravity

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