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Staurolite and Fluorapatite Physical Properties


Fluorapatite and Staurolite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.7-3.8   
3.1-3.25   

Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)   

Cleavage
Distinct on {010}   
Indistinct   

Mohs Hardness
7-7.5   
5   

Chemical Composition
(Fe,Mg,Zn) 2Al 9(Si,Al) 4O 22(OH) 2Ulrich Henn and Claudio C.   
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Staurolite and Fluorapatite Chemical Formula

While comparing Staurolite and Fluorapatite 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 Fluorapatite chemical formula.

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Staurolite and Fluorapatite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Staurolite and Fluorapatite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Staurolite and Fluorapatite Optical Properties during the identification of gemstone. Specific gravity of Staurolite is 3.1-3.25 whereas that of Fluorapatite is 3.1-3.25.

Brown Gemstones

Brown Gemstones


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