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Whitlockite
Whitlockite

Fayalite
Fayalite



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Whitlockite
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Fayalite

Whitlockite and Fayalite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.124.392
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
1.6 Cleavage
None
{010} moderate, {100} imperfect
1.7 Mohs Hardness
Not Available6.5-7
Amber
2 10
1.8 Chemical Composition
Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)
Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Whitlockite and Fayalite Chemical Formula

While comparing Whitlockite 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 Whitlockite and Fayalite chemical formula.

  • Chemical formula of Whitlockite- Ca 9(Mg,Fe2+ )(PO 4) 6(PO 3OH)Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Fayalite- Fe 2SiO 4Michael O’Donoghue , Gems, Sixth Edition (2006)

Whitlockite and Fayalite Specific Gravity

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