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Pyrophyllite
Pyrophyllite

Spessartine
Spessartine



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Pyrophyllite
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Spessartine

Pyrophyllite and Spessartine 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
2.65-2.904.12-4.18
Amber
1 7.18
1.5 Fracture
Gemstones (2009), Flexible Flexible fragments.
ConchoidalArthur Thomas, Conchoidal, Brittle
1.6 Cleavage
{001} Perfect
{???} Distinct
1.7 Mohs Hardness
Not Available7-7.5
Amber
2 10
1.8 Chemical Composition
Al 2Si 4O 10(OH) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Pyrophyllite and Spessartine Chemical Formula

While comparing Pyrophyllite and Spessartine 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 Spessartine 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 Spessartine- Mn 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Pyrophyllite and Spessartine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Pyrophyllite and Spessartine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Pyrophyllite and Spessartine Optical Properties during the identification of gemstone. Specific gravity of Pyrophyllite is 4.12-4.18 whereas that of Spessartine is 4.12-4.18.