Spinel and Witherite Physical Properties
Tenacity
Not Available
Not Available
Solubility
none
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.64-3.66
4.27-4.35
Fracture
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Cleavage
None, but may exhibit slight parting
{010} Distinct
Chemical Composition
MgAl2O4
BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Spinel and Witherite Chemical Formula
While comparing Spinel 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 Spinel and Witherite chemical formula.
- Chemical formula of Spinel- MgAl2O4
- Chemical formula of Witherite- BaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Spinel and Witherite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Spinel and Witherite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spinel and Witherite Optical Properties during the identification of gemstone. Specific gravity of Spinel is 4.27-4.35 whereas that of Witherite is 4.27-4.35.