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Londonite and Forsterite Physical Properties


Forsterite and Londonite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.34   
3.23-3.26   

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

Cleavage
None   
Perfect on {010} imperfect on {100}   

Mohs Hardness
Not Available   
6.5-7   

Chemical Composition
(Cs,K,Rb)Al 4Be 4(B,Be) 12O 28Anthony et al , Handbook of mineralogy (2001)   
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Londonite and Forsterite Chemical Formula

While comparing Londonite 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 Londonite and Forsterite chemical formula.

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Londonite and Forsterite Specific Gravity

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

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