Prase Opal and Fayalite Physical Properties

Prase 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

1.98-2.254.392

1 7.18

1.5 Fracture

ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)

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

1.6 Cleavage

Not Available

{010} moderate, {100} imperfect

1.7 Mohs Hardness

5-6.56.5-7

2 10

1.8 Chemical Composition

SiO 2 + H 2OUlrich Henn and Claudio C.

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

Prase Opal and Fayalite Chemical Formula

While comparing Prase 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 Prase Opal and Fayalite chemical formula.

Chemical formula of Prase Opal- SiO 2 + H 2OUlrich Henn and Claudio C.
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Prase Opal Vs Sard

Prase Opal Vs Sapphire

Prase Opal Vs Sanidine

Prase Opal and Fayalite Specific Gravity

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