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Spodumene
Spodumene

Sardonyx
Sardonyx



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Spodumene
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Spodumene and Sardonyx Physical Properties

1 Physical Properties
1.1 Tenacity
Brittle
Not Available
1.2 Solubility
insoluble
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.15-3.21
2.55-2.70
1.5 Fracture
Uneven, Subconchoidal, Gemstones (2009)
Not Available
1.6 Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
Not Available
1.7 Mohs Hardness
6-7
6.5-7
1.8 Chemical Composition
LiAlSi2O6
SiO 2Ulrich Henn and Claudio C.

Spodumene and Sardonyx Chemical Formula

While comparing Spodumene and Sardonyx 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 Sardonyx chemical formula.

  • Chemical formula of Spodumene- LiAlSi2O6
  • Chemical formula of Sardonyx- SiO 2Ulrich Henn and Claudio C.

Spodumene and Sardonyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.