Staurolite and Padparadscha Physical Properties

Staurolite

Padparadscha

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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

3.7-3.83.95-4.10

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

Distinct on {010}

Not Available

1.7 Mohs Hardness

7-7.59

2 10

1.8 Chemical Composition

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

Al 2O 3Ulrich Henn and Claudio C.

Staurolite and Padparadscha Chemical Formula

While comparing Staurolite and Padparadscha 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 Padparadscha chemical formula.

Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Padparadscha- Al 2O 3Ulrich Henn and Claudio C.

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Staurolite and Padparadscha Specific Gravity

Another important criteria for qualitative analysis of gemstones is Staurolite and Padparadscha Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Padparadscha Optical Properties during the identification of gemstone. Specific gravity of Staurolite is 3.95-4.10 whereas that of Padparadscha is 3.95-4.10.