Scapolite and Fayalite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.58-2.74
4.392
Fracture
ConchoidalWalter Schumann, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Splintery
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Conchoidal, Brittle
Cleavage
{100} Distinct, {110} Distinct
{010} moderate, {100} imperfect
Mohs Hardness
5.5-6
6.5-7
Chemical Composition
Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Scapolite and Fayalite Chemical Formula
While comparing Scapolite and Fayalite 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 Scapolite and Fayalite chemical formula.
- Chemical formula of Scapolite- Na 4Al 3Si 9O 24Cl to Ca 4Al 6Si 6O 24(CO 3,SO 4)Walter Schumann , Gemstones of the world (2001) More from other references
- Chemical formula of Fayalite- Fe 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Scapolite and Fayalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Scapolite and Fayalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Scapolite and Fayalite Optical Properties during the identification of gemstone. Specific gravity of Scapolite is 4.392 whereas that of Fayalite is 4.392.