Topaz and Sphalerite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.49-3.57
3.95-4.10
Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
UnevenWalter Schumann, Gemstones of the world (2001) More from other references, UnevenWalter Schumann, Gemstones of the world (2001) More from other references, Uneven
Cleavage
[001] Perfect
{110} Perfect, {110} Perfect, {110} Perfect
Chemical Composition
Al2SiO4(F,OH)2
(Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Topaz and Sphalerite Chemical Formula
While comparing Topaz and Sphalerite 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 Topaz and Sphalerite chemical formula.
- Chemical formula of Topaz- Al2SiO4(F,OH)2
- Chemical formula of Sphalerite- (Zn,Fe)SMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Topaz and Sphalerite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Topaz and Sphalerite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Sphalerite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 3.95-4.10 whereas that of Sphalerite is 3.95-4.10.