Uvite and Fayalite Physical Properties

Uvite

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

2.97-3.144.392

1 7.18

1.5 Fracture

Uneven, Conchoidal, Brittle

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

1.6 Cleavage

{1011} Indistinct

{010} moderate, {100} imperfect

1.7 Mohs Hardness

Not Available6.5-7

2 10

1.8 Chemical Composition

Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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

Uvite and Fayalite Chemical Formula

While comparing Uvite 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 Uvite and Fayalite chemical formula.

Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)
Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)

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Uvite and Fayalite Specific Gravity

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