Willemite and Creedite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.89-4.18
2.70
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
{0001}, {11 2 0} imperfect
Perfect on {100}
Chemical Composition
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Willemite and Creedite Chemical Formula
While comparing Willemite 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 Willemite and Creedite chemical formula.
- Chemical formula of Willemite- Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Willemite and Creedite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Willemite and Creedite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Willemite and Creedite Optical Properties during the identification of gemstone. Specific gravity of Willemite is 2.70 whereas that of Creedite is 2.70.