Pleonaste and Fayalite Physical Properties

Pleonaste

Fayalite

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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

3.804.392

1 7.18

1.5 Fracture

Not Available

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

1.6 Cleavage

Not Available

{010} moderate, {100} imperfect

1.7 Mohs Hardness

86.5-7

2 10

1.8 Chemical Composition

(Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)

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

Pleonaste and Fayalite Chemical Formula

While comparing Pleonaste 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 Pleonaste and Fayalite chemical formula.

Chemical formula of Pleonaste- (Mg,Fe)Al 2O 4Gemdat.org , Management Team (2012)
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Pleonaste Vs Rubellite

Pleonaste Vs Rock Crystal

Pleonaste Vs Pyrophyllite

Pleonaste and Fayalite Specific Gravity

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