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Austinite and Fluorapatite Physical Properties


Fluorapatite and Austinite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Easily soluble in cold dilute HCl   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
4.12   
3.1-3.25   

Fracture
Brittle, Uneven, Brittle, Uneven   
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)   

Cleavage
Good in two directions parallel to the prism faces {110}   
Indistinct   

Mohs Hardness
4-4.5   
5   

Chemical Composition
CaZn(AsO4)(OH)   
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Austinite and Fluorapatite Chemical Formula

While comparing Austinite 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 Austinite and Fluorapatite chemical formula.

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Austinite and Fluorapatite Specific Gravity

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

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