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Labradorite and Foitite Physical Properties


Foitite and Labradorite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.69-2.72   
3.17   

Fracture
Uneven, Conchoidal, Gems, Sixth Edition (2006)   
Handbook of mineralogy (2001)   

Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}   
None   

Mohs Hardness
6-6.5   
7   

Chemical Composition
(Na,Ca)1-2Si3-2O8   
Na x[Fe2+2(Al,Fe3+ )]Al 6(BO 3) 3Si 6O 18(OH) 4Anthony et al , Handbook of mineralogy (2001)   

Optical Properties >>
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Labradorite and Foitite Chemical Formula

While comparing Labradorite and Foitite 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 Labradorite and Foitite chemical formula.

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Labradorite and Foitite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Foitite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Foitite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 3.17 whereas that of Foitite is 3.17.

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