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Dumortierite and Fluorite Physical Properties


Fluorite and Dumortierite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
slightly water soluble and in hot hydrochloric acid   

Durability
Not Available   
Not Available   

Specific Gravity
3.26-3.41   
3.00-3.25   

Fracture
Fibrous, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references   
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references   

Cleavage
Distinct on {100}, poor on {110}; parting on {001}   
Octahedral, perfect on {111}, parting on {011}   

Mohs Hardness
7-8.5   
4   

Chemical Composition
AlAl6O3BSi3O18   
CaF2   

Optical Properties >>
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Dumortierite and Fluorite Chemical Formula

While comparing Dumortierite and Fluorite 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 Dumortierite and Fluorite chemical formula.

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Dumortierite and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Dumortierite and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Dumortierite and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Dumortierite is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.

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