Orthoclase and Fayalite Physical Properties

Orthoclase

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

2.54-2.614.392

1 7.18

1.5 Fracture

Gems, Uneven

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

1.6 Cleavage

Has perfect cleavage on {001} and good cleavage on {010}. Cleavages intersect at 90°.

{010} moderate, {100} imperfect

1.7 Mohs Hardness

66.5-7

2 10

1.8 Chemical Composition

KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Orthoclase and Fayalite Chemical Formula

While comparing Orthoclase 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 Orthoclase and Fayalite chemical formula.

Chemical formula of Orthoclase- KAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Colorless Gems

Orthoclase Vs Phenakite

Orthoclase Vs Phosphophyllite

Orthoclase Vs Phosphosiderite

Orthoclase and Fayalite Specific Gravity

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