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Caledonite and Labradorite Physical Properties


Labradorite and Caledonite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
5.6-5.76   
2.69-2.72   

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

Cleavage
[001] perfect; [100] distinct   
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}   

Mohs Hardness
2.5-3   
6-6.5   

Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)   
(Na,Ca)1-2Si3-2O8   

Optical Properties >>
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Caledonite and Labradorite Chemical Formula

While comparing Caledonite and Labradorite 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 Caledonite and Labradorite chemical formula.

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Caledonite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.

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