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Esperite
Esperite

Pyrophyllite
Pyrophyllite



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Esperite
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Pyrophyllite

Esperite 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
4.28-4.422.65-2.90
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Metallic
Gemstones (2009), Flexible Flexible fragments.
1.6 Cleavage
Distinct on [010] and [100] poor on [101]
{001} Perfect
1.7 Mohs Hardness
5-5.5Not Available
Amber
2 10
1.8 Chemical Composition
PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Esperite and Pyrophyllite Chemical Formula

While comparing Esperite 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 Esperite and Pyrophyllite chemical formula.

  • Chemical formula of Esperite- PbCa 3Zn 4(SiO 4) 4Anthony et al , Handbook of mineralogy (2001)
  • Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references

Esperite and Pyrophyllite Specific Gravity

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