Zinnwaldite and Fayalite Physical Properties

Zinnwaldite

Fayalite

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1 Physical Properties

1.1 Tenacity

Elastic

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.9-3.14.392

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

Perfect basal {001}

{010} moderate, {100} imperfect

1.7 Mohs Hardness

3.5-4.06.5-7

2 10

1.8 Chemical Composition

Not Available

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

Zinnwaldite and Fayalite Chemical Formula

While comparing Zinnwaldite 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 Zinnwaldite and Fayalite chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Zinnwaldite and Fayalite Specific Gravity

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