Fayalite and Phosphophyllite Physical Properties

Fayalite

Phosphophyllite

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

4.392

Conchoidal

{010} moderate, {100} imperfect

6.5-7

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

3.07-3.13

Conchoidal, Uneven

{100} Perfect, {010} Distinct, {102} Distinct

3-3.5

Zn 2(Fe2+ ,Mn2+ )(PO 4) 2 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Fayalite and Phosphophyllite Chemical Formula

While comparing Fayalite and Phosphophyllite 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 Phosphophyllite chemical formula.

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Fayalite and Phosphophyllite Specific Gravity

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