Staurolite and Euclase Physical Properties

Staurolite

Euclase

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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

3.7-3.83.08-3.12

1 7.18

1.5 Fracture

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

ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001), Brittle, Metallic

1.6 Cleavage

Distinct on {010}

{010} Perfect

1.7 Mohs Hardness

7-7.57.5

2 10

1.8 Chemical Composition

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

BeAlSiO 4(OH)Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Staurolite and Euclase Chemical Formula

While comparing Staurolite and Euclase 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 Euclase chemical formula.

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

Compare Brown Gemstones

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Staurolite and Euclase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Staurolite and Euclase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Euclase Optical Properties during the identification of gemstone. Specific gravity of Staurolite is 3.08-3.12 whereas that of Euclase is 3.08-3.12.