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Caledonite
Caledonite

Kyanite
Kyanite



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Caledonite
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Kyanite

Caledonite and Kyanite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
Brittle
-
-
5.6-5.76
Uneven
[001] perfect; [100] distinct
2.5-3
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
 
Brittle
-
-
3.53-3.65
Splintery
[100] perfect [010] imperfect with 79° angle between
4-7
Al2SiO5

Caledonite and Kyanite Chemical Formula

While comparing Caledonite and Kyanite 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 Kyanite chemical formula.

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Caledonite and Kyanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Kyanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite Vs Kyanite during the identification of gemstone. Specific gravity of Caledonite is whereas that of Kyanite is .