Pyrophyllite and Meionite Physical Properties

Pyrophyllite

Meionite

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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

2.65-2.902.78

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

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

1.6 Cleavage

{001} Perfect

{???} Distinct, {???} Indistinct

1.7 Mohs Hardness

Not Available5-6

2 10

1.8 Chemical Composition

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

3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)

Pyrophyllite and Meionite Chemical Formula

While comparing Pyrophyllite and Meionite 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 Meionite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Meionite- 3CaAl 2Si 2O 8 · CaCO 3Anthony et al , Handbook of mineralogy (2001)

Compare Blue Gemstones

Pyrophyllite Vs Sardonyx

Pyrophyllite Vs Scorzalite

Pyrophyllite Vs Sard

Pyrophyllite and Meionite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Meionite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Meionite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 2.78 whereas that of Meionite is 2.78.