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Benitoite
Benitoite

Amethyst
Amethyst



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Benitoite
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Amethyst

Benitoite and Amethyst Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Insoluble: HCl
insoluble in common solvents
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.61-3.682.65
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
[10 1 1] poor
Indiscernible
1.7 Mohs Hardness
6-6.57
Amber
2 10
1.8 Chemical Composition
BaTiSi 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
SiO2

Benitoite and Amethyst Chemical Formula

While comparing Benitoite and Amethyst 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 Benitoite and Amethyst chemical formula.

  • Chemical formula of Benitoite- BaTiSi 3O 9Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references
  • Chemical formula of Amethyst- SiO2

Benitoite and Amethyst Specific Gravity

Another important criteria for qualitative analysis of gemstones is Benitoite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Benitoite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Benitoite is 2.65 whereas that of Amethyst is 2.65.