Fayalite and Jeremejevite Physical Properties

Fayalite

Jeremejevite

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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

4.3923.28-3.31

1 7.18

1.5 Fracture

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

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle

1.6 Cleavage

{010} moderate, {100} imperfect

None observed

1.7 Mohs Hardness

6.5-76.5-7.5

2 10

1.8 Chemical Composition

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

Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

Fayalite and Jeremejevite Chemical Formula

While comparing Fayalite and Jeremejevite 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 Jeremejevite chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Jeremejevite- Al 6B 5O 15(F,OH) 3Ulrich Henn and Claudio C.

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Fayalite and Jeremejevite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Jeremejevite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Jeremejevite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 3.28-3.31 whereas that of Jeremejevite is 3.28-3.31.