Fayalite and Violane Physical Properties

Fayalite

Violane

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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

4.3923.22-3.40

1 7.18

1.5 Fracture

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

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

1.6 Cleavage

{010} moderate, {100} imperfect

Not Available

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

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

(Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

Fayalite and Violane Chemical Formula

While comparing Fayalite and Violane 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 Violane chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Violane- (Ca,Mg,Mn)SiO 3Gemdat.org , Management Team (2012)

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Fayalite and Violane Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Violane Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Violane Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 3.22-3.40 whereas that of Violane is 3.22-3.40.