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Pyrophyllite
Pyrophyllite

Emerald
Emerald



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Pyrophyllite
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Emerald

Pyrophyllite and Emerald Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Hard
1.4 Specific Gravity
2.65-2.90
2.67-2.78
1.5 Fracture
Gemstones (2009), Flexible Flexible fragments.
Uneven, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
{001} Perfect
Imperfect on the [0001]
1.7 Mohs Hardness
Not Available
7.5-8
1.8 Chemical Composition
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Be3Al2SiO6

Pyrophyllite and Emerald Chemical Formula

While comparing Pyrophyllite and Emerald 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 Emerald chemical formula.

  • Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Emerald- Be3Al2SiO6

Pyrophyllite and Emerald Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Emerald Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Emerald Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 2.67-2.78 whereas that of Emerald is 2.67-2.78.