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Moldavite
Moldavite

Spodumene
Spodumene



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Moldavite and Spodumene Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
insoluble
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.32-2.38
3.15-3.21
1.5 Fracture
ConchoidalWalter Schumann, Gemstones of the world (2001), ConchoidalWalter Schumann, Gemstones of the world (2001)
Uneven, Subconchoidal, Gemstones (2009)
1.6 Cleavage
Not Available
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
1.7 Mohs Hardness
5.5
6-7
1.8 Chemical Composition
SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
LiAlSi2O6

Moldavite and Spodumene Chemical Formula

While comparing Moldavite and Spodumene 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 Moldavite and Spodumene chemical formula.

  • Chemical formula of Moldavite- SiO 2(+Al 2O 3)Walter Schumann , Gemstones of the world (2001)
  • Chemical formula of Spodumene- LiAlSi2O6

Moldavite and Spodumene Specific Gravity

Another important criteria for qualitative analysis of gemstones is Moldavite and Spodumene Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Moldavite and Spodumene Optical Properties during the identification of gemstone. Specific gravity of Moldavite is 3.15-3.21 whereas that of Spodumene is 3.15-3.21.