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Forsterite
Forsterite

Vivianite
Vivianite



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Forsterite
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Vivianite

Forsterite and Vivianite Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
3.23-3.26
Conchoidal
Perfect on {010} imperfect on {100}
6.5-7
Mg 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)
 
-
-
-
2.64-2.70
-
{010} Perfect
-9999
Fe 3(PO 4) 2 8H 2OUlrich Henn and Claudio C.

Forsterite and Vivianite Chemical Formula

While comparing Forsterite and Vivianite 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 Forsterite and Vivianite chemical formula.

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Forsterite and Vivianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Forsterite and Vivianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Forsterite Vs Vivianite during the identification of gemstone. Specific gravity of Forsterite is whereas that of Vivianite is .