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Ruby and Forsterite Physical Properties


Forsterite and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
3.23-3.26   

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

Cleavage
No true cleavage   
Perfect on {010} imperfect on {100}   

Mohs Hardness
9   
6.5-7   

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

Optical Properties >>
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Ruby and Forsterite Chemical Formula

While comparing Ruby 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 Ruby and Forsterite chemical formula.

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Ruby and Forsterite Specific Gravity

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

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