Stolzite and Pyrophyllite Physical Properties

Stolzite

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

22.65-2.90

1 7.18

1.5 Fracture

Conchoidal, Uneven, Brittle

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

Imperfect on {001}, indistinct on {011}

{001} Perfect

1.7 Mohs Hardness

2.5-3Not Available

2 10

1.8 Chemical Composition

Not Available

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

Stolzite and Pyrophyllite Chemical Formula

While comparing Stolzite 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 Stolzite and Pyrophyllite chemical formula.

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

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Stolzite and Pyrophyllite Specific Gravity

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