Anthophyllite and Fayalite Physical Properties

Anthophyllite

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

2.9-3.5

4.392

1.5 Fracture

Conchoidal, Brittle, Conchoidal, Brittle, Conchoidal, Brittle

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

1.6 Cleavage

{110} Perfect, {???} Distinct, {???} Distinct

{010} moderate, {100} imperfect

1.7 Mohs Hardness

5.5-6

6.5-7

1.8 Chemical Composition

(Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)

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

Anthophyllite and Fayalite Chemical Formula

While comparing Anthophyllite 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 Anthophyllite and Fayalite chemical formula.

Chemical formula of Anthophyllite- (Mg,Fe2+ ) 2(Mg,Fe2+ ) 5Si 8O 22(OH) 2Anthony et al , Handbook of mineralogy (2001)
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

Compare Brown Gemstones

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Anthophyllite and Fayalite Specific Gravity

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