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Atacamite and Forsterite Physical Properties


Forsterite and Atacamite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.745-3.776   
3.23-3.26   

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

Cleavage
Perfect on {010}, fair on {101}   
Perfect on {010} imperfect on {100}   

Mohs Hardness
3-3.5   
6.5-7   

Chemical Composition
Cu2Cl(OH)3   
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Atacamite and Forsterite Chemical Formula

While comparing Atacamite 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 Atacamite and Forsterite chemical formula.

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Atacamite and Forsterite Specific Gravity

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

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