Pyrophyllite and Uvite Physical Properties

Pyrophyllite

Uvite

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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

2.65-2.902.97-3.14

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

Uneven, Conchoidal, Brittle

1.6 Cleavage

{001} Perfect

{1011} Indistinct

1.7 Mohs Hardness

Not AvailableNot Available

2 10

1.8 Chemical Composition

Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Pyrophyllite and Uvite Chemical Formula

While comparing Pyrophyllite and Uvite 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 Pyrophyllite and Uvite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Uvite- Ca(Mg 3)MgAl 5(Si 6O 18)(BO 3) 3(OH) 3(OH)Gemdat.org , Management Team (2012)

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Pyrophyllite and Uvite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Uvite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Uvite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 2.97-3.14 whereas that of Uvite is 2.97-3.14.