Fayalite and Celestine Physical Properties

Fayalite

Celestine

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

4.3923.90-4.00

1 7.18

1.5 Fracture

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

Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal

1.6 Cleavage

{010} moderate, {100} imperfect

Perfect on {001}, good on {210}, poor on {010}

1.7 Mohs Hardness

6.5-73-3.5

2 10

1.8 Chemical Composition

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

SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

Fayalite and Celestine Chemical Formula

While comparing Fayalite and Celestine 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 Celestine chemical formula.

Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Chemical formula of Celestine- SrSO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Fayalite and Celestine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Fayalite and Celestine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fayalite and Celestine Optical Properties during the identification of gemstone. Specific gravity of Fayalite is 3.90-4.00 whereas that of Celestine is 3.90-4.00.