Dolomite and Fayalite Physical Properties

Dolomite

Fayalite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Poorly soluble in dilute HCl

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.80-2.954.392

1 7.18

1.5 Fracture

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

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

1.6 Cleavage

Perfect on {10 1 1}, rhombohedral cleavage

{010} moderate, {100} imperfect

1.7 Mohs Hardness

3.5-46.5-7

2 10

1.8 Chemical Composition

CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Dolomite and Fayalite Chemical Formula

While comparing Dolomite 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 Dolomite and Fayalite chemical formula.

Chemical formula of Dolomite- CaMg(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Dolomite and Fayalite Specific Gravity

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