Poudretteite and Fayalite Physical Properties

Poudretteite

Fayalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.51-2.534.392

1 7.18

1.5 Fracture

Conchoidal, Splintery

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

1.6 Cleavage

None

{010} moderate, {100} imperfect

1.7 Mohs Hardness

56.5-7

2 10

1.8 Chemical Composition

KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)

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

Poudretteite and Fayalite Chemical Formula

While comparing Poudretteite and Fayalite 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 Poudretteite and Fayalite chemical formula.

Chemical formula of Poudretteite- KNa 2B 3Si 12O 30Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Violet Gemstones

Poudretteite Vs Rutilated Quartz

Poudretteite Vs Rubellite

Poudretteite Vs Sapphire

Poudretteite and Fayalite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Poudretteite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Poudretteite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Poudretteite is 4.392 whereas that of Fayalite is 4.392.