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Adularia
Adularia

Amethyst
Amethyst



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Adularia and Amethyst Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
insoluble in common solvents
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.54-2.61
2.65
1.5 Fracture
Not Available
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Not Available
Indiscernible
1.7 Mohs Hardness
6
7
1.8 Chemical Composition
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
SiO2

Adularia and Amethyst Chemical Formula

While comparing Adularia 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 Adularia and Amethyst chemical formula.

  • Chemical formula of Adularia- KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Amethyst- SiO2

Adularia and Amethyst Specific Gravity

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