Agate Opal and Fayalite Physical Properties

Agate Opal

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

1.98-2.504.392

1 7.18

1.5 Fracture

Conchoidal, Conchoidal, Gemstones of the world (2001)

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

1.6 Cleavage

Not Available

{010} moderate, {100} imperfect

1.7 Mohs Hardness

5.5-6.56.5-7

2 10

1.8 Chemical Composition

SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)

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

Agate Opal and Fayalite Chemical Formula

While comparing Agate Opal 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 Agate Opal and Fayalite chemical formula.

Chemical formula of Agate Opal- SiO 2 · nH 2OWalter Schumann , Gemstones of the world (2001)
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Gems Found In Africa

Agate Opal Vs Anorthoclase

Agate Opal Vs Anthophyllite

Agate Opal Vs Anorthite

Agate Opal and Fayalite Specific Gravity

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