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Spodumene
Spodumene

Amethyst
Amethyst



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Spodumene
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Amethyst

Spodumene and Amethyst Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
insoluble
insoluble in common solvents
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.15-3.212.65
Amber
1 7.18
1.5 Fracture
Uneven, Subconchoidal, Gemstones (2009)
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
1.6 Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
Indiscernible
1.7 Mohs Hardness
6-77
Amber
2 10
1.8 Chemical Composition
LiAlSi2O6
SiO2

Spodumene and Amethyst Chemical Formula

While comparing Spodumene 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 Spodumene and Amethyst chemical formula.

  • Chemical formula of Spodumene- LiAlSi2O6
  • Chemical formula of Amethyst- SiO2

Spodumene and Amethyst Specific Gravity

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