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Spodumene
Spodumene

Grossular
Grossular



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Spodumene
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Spodumene and Grossular 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
3.15-3.213.55-3.73
Amber
1 7.18
1.5 Fracture
Uneven, Subconchoidal, Gemstones (2009)
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
none
1.7 Mohs Hardness
6-77-7.5
Amber
2 10
1.8 Chemical Composition
LiAlSi2O6
Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Spodumene and Grossular Chemical Formula

While comparing Spodumene and Grossular 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 Grossular chemical formula.

  • Chemical formula of Spodumene- LiAlSi2O6
  • Chemical formula of Grossular- Ca 3Al 2(SiO 4) 3Arthur Thomas , Gemstones (2009)

Spodumene and Grossular Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Grossular Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Grossular Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 3.55-3.73 whereas that of Grossular is 3.55-3.73.