Fayalite and Catapleiite Physical Properties

Fayalite

Catapleiite

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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

4.3922.72

1 7.18

1.5 Fracture

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

Brittle, Metallic, Brittle, Metallic

1.6 Cleavage

{010} moderate, {100} imperfect

{110} Perfect, {010} Perfect

1.7 Mohs Hardness

6.5-75-6

2 10

1.8 Chemical Composition

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

Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Fayalite and Catapleiite Chemical Formula

While comparing Fayalite and Catapleiite 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 Catapleiite chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Catapleiite- Na 2ZrSi 3O 9 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

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Fayalite Vs Hackmanite

Fayalite and Catapleiite Specific Gravity

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