Microcline and Fayalite Physical Properties

Microcline

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

2.55-2.634.392

1 7.18

1.5 Fracture

Uneven, Uneven, Gems

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

1.6 Cleavage

{001} Perfect, {010} Good

{010} moderate, {100} imperfect

1.7 Mohs Hardness

6-6.56.5-7

2 10

1.8 Chemical Composition

KAlSi 3O 8Arthur Thomas , Gemstones (2009)

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

Microcline and Fayalite Chemical Formula

While comparing Microcline 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 Microcline and Fayalite chemical formula.

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

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Microcline and Fayalite Specific Gravity

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