Pyrophyllite and Faustite Physical Properties

Pyrophyllite

Faustite

Add ⊕

1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

2.65-2.902.9

1 7.18

1.5 Fracture

Gemstones (2009), Flexible Flexible fragments.

Conchoidal, ConchoidalAnthony et al, Conchoidal, Brittle, Conchoidal

1.6 Cleavage

{001} Perfect

{???} Indistinct

1.7 Mohs Hardness

Not Available4.5

2 10

1.8 Chemical Composition

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

(Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Pyrophyllite and Faustite Chemical Formula

While comparing Pyrophyllite and Faustite 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 Faustite chemical formula.

Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Faustite- (Zn,Cu)Al 6(PO 4) 4(OH) 8 · 4H 2OMichael OâDonoghue , Gems, Sixth Edition (2006)

Compare Blue Gemstones

Pyrophyllite Vs Sardonyx

Pyrophyllite Vs Sard

Pyrophyllite Vs Scorzalite

Pyrophyllite and Faustite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Faustite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Faustite Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 2.9 whereas that of Faustite is 2.9.