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Amethyst
Amethyst

Sanidine
Sanidine



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Amethyst
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Sanidine

Amethyst and Sanidine Physical Properties

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1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
insoluble in common solvents
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.652.54-2.61
Amber
1 7.18
1.5 Fracture
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Indiscernible
{001} Perfect, {010} Good
1.7 Mohs Hardness
76
Amber
2 10
1.8 Chemical Composition
SiO2
KAlSi 3O 8Michael O’Donoghue , Gems, Sixth Edition (2006)

Amethyst and Sanidine Chemical Formula

While comparing Amethyst and Sanidine 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 Sanidine chemical formula.

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

Amethyst and Sanidine Specific Gravity

Another important criteria for qualitative analysis of gemstones is Amethyst and Sanidine Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Amethyst and Sanidine Optical Properties during the identification of gemstone. Specific gravity of Amethyst is 2.54-2.61 whereas that of Sanidine is 2.54-2.61.