Witherite and Pyrophyllite Physical Properties

Witherite

Pyrophyllite

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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

4.27-4.352.65-2.90

1 7.18

1.5 Fracture

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

Gemstones (2009), Flexible Flexible fragments.

1.6 Cleavage

{010} Distinct

{001} Perfect

1.7 Mohs Hardness

3-3.5Not Available

2 10

1.8 Chemical Composition

BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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

Witherite and Pyrophyllite Chemical Formula

While comparing Witherite 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 Witherite and Pyrophyllite chemical formula.

Chemical formula of Witherite- BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references

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Witherite and Pyrophyllite Specific Gravity

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