Amethyst and Thomsonite Physical Properties
Tenacity
Not Available
Not Available
Solubility
insoluble in common solvents
Not Available
Durability
Not Available
Not Available
Specific Gravity
2.65
2.25-2.40
Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
UnevenArthur Thomas, Gemstones (2009), UnevenArthur Thomas, Gemstones (2009)
Cleavage
Indiscernible
perfect on {010}; good on {100}
Chemical Composition
SiO2
NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Thomsonite Chemical Formula
While comparing Amethyst and Thomsonite 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 Amethyst and Thomsonite chemical formula.
- Chemical formula of Amethyst- SiO2
- Chemical formula of Thomsonite- NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Amethyst and Thomsonite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Amethyst and Thomsonite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Thomsonite Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.25-2.40 whereas that of Thomsonite is 2.25-2.40.