Fayalite and Microcline Physical Properties

Fayalite

Microcline

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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

4.3922.55-2.63

1 7.18

1.5 Fracture

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

Uneven, Uneven, Gems

1.6 Cleavage

{010} moderate, {100} imperfect

{001} Perfect, {010} Good

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

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

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

Fayalite and Microcline Chemical Formula

While comparing Fayalite and Microcline 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 Microcline chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Microcline- KAlSi 3O 8Arthur Thomas , Gemstones (2009)

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Fayalite and Microcline Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Microcline Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Microcline Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 2.55-2.63 whereas that of Microcline is 2.55-2.63.