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Neptunite and Forsterite Physical Properties


Forsterite and Neptunite Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.19-3.23   
3.23-3.26   

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

Cleavage
{110} good   
Perfect on {010} imperfect on {100}   

Mohs Hardness
5-6   
6.5-7   

Chemical Composition
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael O’Donoghue , Gems, Sixth Edition (2006)   
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)   

Optical Properties >>
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Neptunite and Forsterite Chemical Formula

While comparing Neptunite 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 Neptunite and Forsterite chemical formula.

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Neptunite and Forsterite Specific Gravity

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

Red Gemstones

Red Gemstones


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