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Lawsonite and Staurolite Physical Properties


Staurolite and Lawsonite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.09   
3.7-3.8   

Fracture
White, Yellow, Pale blue, Brittle, Uneven   
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   

Cleavage
Perfect on {100} and {010}, imperfect on {101}   
Distinct on {010}   

Mohs Hardness
8   
7-7.5   

Chemical Composition
Not Available   
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.   

Optical Properties >>
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Lawsonite and Staurolite Chemical Formula

While comparing Lawsonite 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 Lawsonite and Staurolite chemical formula.

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Lawsonite and Staurolite Specific Gravity

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

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Blue Gemstones


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