Fayalite and Vesuvianite Physical Properties

Fayalite

Vesuvianite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

Vesuvianite is virtually insolouble in acids

1.3 Durability

Not Available

1.4 Specific Gravity

4.3923.32-3.43

1 7.18

1.5 Fracture

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

Conchoidal, Brittle

1.6 Cleavage

{010} moderate, {100} imperfect

Poor on {110} and {100} very poor on {001}

1.7 Mohs Hardness

6.5-76-7

2 10

1.8 Chemical Composition

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

Not Available

Fayalite and Vesuvianite Chemical Formula

While comparing Fayalite and Vesuvianite 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 Fayalite and Vesuvianite chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Fayalite and Vesuvianite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Vesuvianite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Vesuvianite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 3.32-3.43 whereas that of Vesuvianite is 3.32-3.43.