Fayalite and Chrysoprase Physical Properties

Fayalite

Chrysoprase

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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

4.3922.58-2.64

1 7.18

1.5 Fracture

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

Gems, Sixth Edition (2006)

1.6 Cleavage

{010} moderate, {100} imperfect

None

1.7 Mohs Hardness

6.5-76.5-7

2 10

1.8 Chemical Composition

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

SiO₂ (with a high level of nickel impurities )

Fayalite and Chrysoprase Chemical Formula

While comparing Fayalite and Chrysoprase 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 Chrysoprase chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Chrysoprase- SiO₂ (with a high level of nickel impurities )

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Fayalite and Chrysoprase Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Chrysoprase Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Chrysoprase Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 2.58-2.64 whereas that of Chrysoprase is 2.58-2.64.