Iddingsite and Pyrophyllite Physical Properties

Iddingsite

Pyrophyllite

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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

2.5-2.82.65-2.90

1 7.18

1.5 Fracture

Not Available

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

{???} Perfect

{001} Perfect

1.7 Mohs Hardness

3Not Available

2 10

1.8 Chemical Composition

MgO.Fe2O3.3SiO2•4(H2O)

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

Iddingsite and Pyrophyllite Chemical Formula

While comparing Iddingsite and Pyrophyllite 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 Iddingsite and Pyrophyllite chemical formula.

Chemical formula of Iddingsite- MgO.Fe2O3.3SiO2•4(H2O)
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Iddingsite and Pyrophyllite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Iddingsite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Iddingsite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Iddingsite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.