Vesuvianite Idocrase and Fayalite Physical Properties

Vesuvianite Idocrase

Fayalite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.25-3.504.392

1 7.18

1.5 Fracture

Uneven, Uneven, Gemstones of the world (2001) More from other references

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

1.6 Cleavage

Not Available

{010} moderate, {100} imperfect

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.

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

Vesuvianite Idocrase and Fayalite Chemical Formula

While comparing Vesuvianite Idocrase 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 Vesuvianite Idocrase and Fayalite chemical formula.

Chemical formula of Vesuvianite Idocrase- Ca 10Mg 2Al 4(SiO 4) 5(Si 2O 7) 2(OH) 4Ulrich Henn and Claudio C.
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Vesuvianite Idocrase and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Vesuvianite Idocrase and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Vesuvianite Idocrase and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Vesuvianite Idocrase is 4.392 whereas that of Fayalite is 4.392.