Topaz and Witherite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.49-3.57
4.27-4.35
Fracture
Subconchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Brittle
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
[001] Perfect
{010} Distinct
Chemical Composition
Al2SiO4(F,OH)2
BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Topaz and Witherite Chemical Formula
While comparing Topaz and Witherite 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 Witherite chemical formula.
- Chemical formula of Topaz- Al2SiO4(F,OH)2
- Chemical formula of Witherite- BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Topaz and Witherite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Topaz and Witherite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Topaz and Witherite Optical Properties during the identification of gemstone. Specific gravity of Topaz is 4.27-4.35 whereas that of Witherite is 4.27-4.35.