Prehnite and Creedite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.80-2.95
2.70
Fracture
Uneven, Yellow, White, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Metallic
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
Distinct on [001]
Perfect on {100}
Chemical Composition
Ca2Al2Si3O12(OH)
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Prehnite and Creedite Chemical Formula
While comparing Prehnite and Creedite 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 Prehnite and Creedite chemical formula.
- Chemical formula of Prehnite- Ca2Al2Si3O12(OH)
- Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Prehnite and Creedite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Prehnite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Prehnite and Creedite Optical Properties during the identification of gemstone. Specific gravity of Prehnite is 2.70 whereas that of Creedite is 2.70.