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Caledonite and Forsterite Physical Properties


Forsterite 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   
3.23-3.26   

Fracture
Uneven, UnevenAnthony et al, Handbook of mineralogy (2001)   
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle   

Cleavage
[001] perfect; [100] distinct   
Perfect on {010} imperfect on {100}   

Mohs Hardness
2.5-3   
6.5-7   

Chemical Composition
Pb 5Cu 2(SO 4) 3(CO 3)(OH) 6Anthony et al , Handbook of mineralogy (2001)   
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Caledonite and Forsterite Chemical Formula

While comparing Caledonite and Forsterite 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 Forsterite chemical formula.

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Caledonite and Forsterite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Caledonite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Caledonite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Caledonite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.

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