Jacobsite and Fayalite Physical Properties

Jacobsite

Fayalite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

4.76-5.03

Conchoidal

None

5.5-6.5

(Mn2+ ,Fe2+ ,Mg)(Fe3+ ,Mn3+ ) 2O 4Anthony et al , Handbook of mineralogy (2001)

4.392

Conchoidal

{010} moderate, {100} imperfect

6.5-7

Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Jacobsite and Fayalite Chemical Formula

While comparing Jacobsite and Fayalite 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 Jacobsite and Fayalite chemical formula.

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Jacobsite and Fayalite Specific Gravity

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