Pyrophyllite and Eudialyte Physical Properties

Pyrophyllite

Eudialyte

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1 Physical Properties

1.1 Tenacity

Not Available

Brittle

1.2 Solubility

Not Available

H 2 SO 4

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.902.74-3.00

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

Uneven, UnevenArthur Thomas, Gemstones (2009)

1.6 Cleavage

{001} Perfect

Distinct on {0001} imperfect on {11 2 0}

1.7 Mohs Hardness

Not Available5-5.5

2 10

1.8 Chemical Composition

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

Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

Pyrophyllite and Eudialyte Chemical Formula

While comparing Pyrophyllite and Eudialyte 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 Eudialyte chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Eudialyte- Na 4(Ca,Ce) 2(Fe,Mn,Y)ZrSi 8O 22(OH,Cl) 2Ulrich Henn and Claudio C.

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Pyrophyllite and Eudialyte Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Eudialyte Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Eudialyte Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 2.74-3.00 whereas that of Eudialyte is 2.74-3.00.