Fluorite and Fayalite Physical Properties

Fluorite

Fayalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

slightly water soluble and in hot hydrochloric acid

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.00-3.254.392

1 7.18

1.5 Fracture

Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references

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

1.6 Cleavage

Octahedral, perfect on {111}, parting on {011}

{010} moderate, {100} imperfect

1.7 Mohs Hardness

46.5-7

2 10

1.8 Chemical Composition

CaF₂

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

Fluorite and Fayalite Chemical Formula

While comparing Fluorite 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 Fluorite and Fayalite chemical formula.

Chemical formula of Fluorite- CaF₂
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Fluorite and Fayalite Specific Gravity

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