Pyrophyllite and Afghanite Physical Properties

Pyrophyllite

Afghanite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.902.55-2.65

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle

1.6 Cleavage

{001} Perfect

Perfect {10 1 0}

1.7 Mohs Hardness

Not Available5.5-6

2 10

1.8 Chemical Composition

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

(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Pyrophyllite and Afghanite Chemical Formula

While comparing Pyrophyllite and Afghanite 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 Afghanite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Afghanite- (Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)

Compare Blue Gemstones

Pyrophyllite Vs Sardonyx

Pyrophyllite Vs Sard

Pyrophyllite Vs Scorzalite

Pyrophyllite and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.