Caledonite and Langbeinite Physical Properties
Tenacity
Brittle
  
Brittle
  
Solubility
Not Available
  
Slowly dissolves in water
  
Durability
Not Available
  
Not Available
  
Specific Gravity
5.6-5.76
  
Not Available
  
Fracture
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
  
Conchoidal, Brittle
  
Cleavage
[001] perfect; [100] distinct
  
None
  
Mohs Hardness
2.5-3
  
3.5-4
  
Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
  
Not Available
  
Caledonite and Langbeinite Chemical Formula
While comparing Caledonite and Langbeinite 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 Langbeinite chemical formula.
- Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
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Caledonite and Langbeinite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Caledonite and Langbeinite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Langbeinite Optical Properties during the identification of gemstone. Specific gravity of Caledonite is Not Available whereas that of Langbeinite is Not Available.