Fayalite and Fuchsite Physical Properties

Fayalite

Fuchsite

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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

4.3922.77-2.88

1 7.18

1.5 Fracture

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

Uneven

1.6 Cleavage

{010} moderate, {100} imperfect

Perfect basal

1.7 Mohs Hardness

6.5-72.5

2 10

1.8 Chemical Composition

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

K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

Fayalite and Fuchsite Chemical Formula

While comparing Fayalite and Fuchsite 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 Fuchsite chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fuchsite- K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)

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Fayalite and Fuchsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Fuchsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Fuchsite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 2.77-2.88 whereas that of Fuchsite is 2.77-2.88.