Staurolite and Moissanite Physical Properties

Staurolite

Moissanite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

none

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.83.17-3.24

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle

1.6 Cleavage

Distinct on {010}

(0001) indistinct

1.7 Mohs Hardness

7-7.59-9.5

2 10

1.8 Chemical Composition

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

SiCArthur Thomas , Gemstones (2009)

Staurolite and Moissanite Chemical Formula

While comparing Staurolite and Moissanite 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 Moissanite chemical formula.

Chemical formula of Staurolite- (Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.
Chemical formula of Moissanite- SiCArthur Thomas , Gemstones (2009)

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Staurolite and Moissanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Staurolite and Moissanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Moissanite Optical Properties during the identification of gemstone. Specific gravity of Staurolite is 3.17-3.24 whereas that of Moissanite is 3.17-3.24.