Fayalite and Bastnsite Physical Properties

Fayalite

Bastnsite

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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

4.3924.78-5.20

1 7.18

1.5 Fracture

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

Not Available

1.6 Cleavage

{010} moderate, {100} imperfect

Not Available

1.7 Mohs Hardness

6.5-74-4.5

2 10

1.8 Chemical Composition

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

Not Available

Fayalite and Bastnsite Chemical Formula

While comparing Fayalite and Bastnsite 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 Bastnsite chemical formula.

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

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Fayalite and Bastnsite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Bastnsite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Bastnsite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 4.78-5.20 whereas that of Bastnsite is 4.78-5.20.