Poudretteite and Caledonite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.51-2.53
5.6-5.76
Fracture
Conchoidal, Splintery
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)
Cleavage
None
[001] perfect; [100] distinct
Chemical Composition
KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Poudretteite and Caledonite Chemical Formula
While comparing Poudretteite and Caledonite 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 Poudretteite and Caledonite chemical formula.
- Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
- Chemical formula of Caledonite- Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)
Poudretteite and Caledonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Poudretteite and Caledonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Caledonite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 5.6-5.76 whereas that of Caledonite is 5.6-5.76.