Staurolite and Amber Physical Properties

Staurolite

Amber

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

Soluble

1.3 Durability

Not Available

1.4 Specific Gravity

3.7-3.81.05-1.10

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Distinct on {010}

None

1.7 Mohs Hardness

7-7.52-2.5

2 10

1.8 Chemical Composition

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

[C,H,O]

Staurolite and Amber Chemical Formula

While comparing Staurolite and Amber 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 Amber chemical formula.

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

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Staurolite and Amber Specific Gravity

Another important criteria for qualitative analysis of gemstones is Staurolite and Amber Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Amber Optical Properties during the identification of gemstone. Specific gravity of Staurolite is 1.05-1.10 whereas that of Amber is 1.05-1.10.