Cacoxenite and Fayalite Physical Properties

Cacoxenite

Fayalite

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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

2.2-2.64.392

1 7.18

1.5 Fracture

Uneven

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

1.6 Cleavage

None

{010} moderate, {100} imperfect

1.7 Mohs Hardness

3-46.5-7

2 10

1.8 Chemical Composition

(Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)

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

Cacoxenite and Fayalite Chemical Formula

While comparing Cacoxenite 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 Cacoxenite and Fayalite chemical formula.

Chemical formula of Cacoxenite- (Fe+++,Al)25(PO4)17O6(OH)12•75(H2O)
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Green Gemstones

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Cacoxenite Vs Actinolite

Cacoxenite Vs Adamite

Cacoxenite and Fayalite Specific Gravity

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