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Witherite
Witherite

Pyrophyllite
Pyrophyllite



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Witherite
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Pyrophyllite

Witherite and Pyrophyllite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.27-4.352.65-2.90
Amber
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
Amber
2 10
1.8 Chemical Composition
BaCO 3Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Al 2Si 4O 10(OH) 2Michael O’Donoghue , 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 O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

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.