Enstatite and Staurolite Physical Properties

Enstatite

Staurolite

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1 Physical Properties

1.1 Tenacity

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.20-3.253.7-3.8

1 7.18

1.5 Fracture

Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Metallic

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

1.6 Cleavage

Good/distinct on [210]

Distinct on {010}

1.7 Mohs Hardness

5.57-7.5

2 10

1.8 Chemical Composition

Mg 2Si 2O 6Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Enstatite and Staurolite Chemical Formula

While comparing Enstatite 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 Enstatite and Staurolite chemical formula.

Chemical formula of Enstatite- Mg 2Si 2O 6Michael 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.

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Enstatite and Staurolite Specific Gravity

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