Staurolite and Shattuckite Physical Properties

Staurolite

Shattuckite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.83.80-4.15

1 7.18

1.5 Fracture

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

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

Distinct on {010}

perfect along [010] and [100]

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.

Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Staurolite and Shattuckite Chemical Formula

While comparing Staurolite and Shattuckite 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 Shattuckite chemical formula.

Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Shattuckite- Cu 5(SiO 3) 4(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Staurolite and Shattuckite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Staurolite and Shattuckite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Shattuckite Optical Properties during the identification of gemstone. Specific gravity of Staurolite is 3.80-4.15 whereas that of Shattuckite is 3.80-4.15.