Creedite and Forsterite Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.70
3.23-3.26
Fracture
Uneven, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
Perfect on {100}
Perfect on {010} imperfect on {100}
Chemical Composition
Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Creedite and Forsterite Chemical Formula
While comparing Creedite and Forsterite 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 Forsterite chemical formula.
- Chemical formula of Creedite- Ca 3Al 2(SO 4)(F,OH) 10Ulrich Henn and Claudio C.
- Chemical formula of Forsterite- Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Creedite and Forsterite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Creedite and Forsterite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Creedite and Forsterite Optical Properties during the identification of gemstone. Specific gravity of Creedite is 3.23-3.26 whereas that of Forsterite is 3.23-3.26.