Edenite and Pyrophyllite Physical Properties

Edenite

Pyrophyllite

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1 Physical Properties

1.1 Tenacity

Brittle

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

3.05-3.372.65-2.90

1 7.18

1.5 Fracture

Conchoidal, Brittle, Conchoidal

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

Good on (110)

{001} Perfect

1.7 Mohs Hardness

5-6Not Available

2 10

1.8 Chemical Composition

NaCa2Mg5Si7AlO22(OH)2

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

Edenite and Pyrophyllite Chemical Formula

While comparing Edenite 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 Edenite and Pyrophyllite chemical formula.

Chemical formula of Edenite- NaCa2Mg5Si7AlO22(OH)2
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Edenite and Pyrophyllite Specific Gravity

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