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Achroite and Fluorite Physical Properties


Fluorite and Achroite 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
2.90-3.40   
3.00-3.25   

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

Cleavage
Not Available   
Octahedral, perfect on {111}, parting on {011}   

Mohs Hardness
7-7.5   
4   

Chemical Composition
Na(Li 1.5Al 1.5)Al 6(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012) Formula given for elbaite.   
CaF2   

Optical Properties >>
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Achroite and Fluorite Chemical Formula

While comparing Achroite 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 Achroite and Fluorite chemical formula.

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Achroite and Fluorite Specific Gravity

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

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