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Creedite
Creedite

Pumpellyite
Pumpellyite



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Creedite
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Pumpellyite

Creedite and Pumpellyite Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.703.20-3.30
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Not Available
1.6 Cleavage
Perfect on {100}
Not Available
1.7 Mohs Hardness
4.55-6
Amber
2 10
1.8 Chemical Composition
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

Creedite and Pumpellyite Chemical Formula

While comparing Creedite and Pumpellyite 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 Creedite and Pumpellyite chemical formula.

  • Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
  • Chemical formula of Pumpellyite- Ca 2(Mg,Fe,Mn,Al) 2(SiO 4)(Si 2O 7)(OH) 2 · H 2OUlrich Henn and Claudio C.

Creedite and Pumpellyite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Creedite and Pumpellyite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Creedite and Pumpellyite Optical Properties during the identification of gemstone. Specific gravity of Creedite is 3.20-3.30 whereas that of Pumpellyite is 3.20-3.30.