Fayalite and Xonotlite Physical Properties

Fayalite

Xonotlite

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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

4.3922.71-2.72

1 7.18

1.5 Fracture

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

Handbook of mineralogy (2001), Difficult, Fibrous

1.6 Cleavage

{010} moderate, {100} imperfect

{???} Good

1.7 Mohs Hardness

6.5-76-6.5

2 10

1.8 Chemical Composition

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

Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

Fayalite and Xonotlite Chemical Formula

While comparing Fayalite and Xonotlite 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 Xonotlite chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Xonotlite- Ca 6Si 6O 17(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006)

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Fayalite and Xonotlite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Xonotlite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Xonotlite Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 2.71-2.72 whereas that of Xonotlite is 2.71-2.72.