Fayalite and Mellite Physical Properties

Fayalite

Mellite

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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

4.3921.58-1.60

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

{010} moderate, {100} imperfect

{011} Imperfect

1.7 Mohs Hardness

6.5-72

2 10

1.8 Chemical Composition

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

Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Fayalite and Mellite Chemical Formula

While comparing Fayalite and Mellite 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 Mellite chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Mellite- Al 2(Cl 2O 12) · 18H 2OUlrich Henn and Claudio C.

Compare Yellow Gemstones

Fayalite Vs Gadolinium Gallium Garnet

Fayalite Vs Hackmanite

Fayalite Vs Garnet

Fayalite and Mellite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Mellite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Mellite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 1.58-1.60 whereas that of Mellite is 1.58-1.60.