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Spodumene
Spodumene

Black Opal
Black Opal



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Spodumene
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Black Opal

Spodumene and Black Opal 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
3.15-3.211.97-2.22
Amber
1 7.18
1.5 Fracture
Uneven, Subconchoidal, Gemstones (2009)
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
Not Available
1.7 Mohs Hardness
6-76-6.5
Amber
2 10
1.8 Chemical Composition
LiAlSi2O6
SiO 2 + H 2OUlrich Henn and Claudio C.

Spodumene and Black Opal Chemical Formula

While comparing Spodumene and Black Opal 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 Black Opal chemical formula.

  • Chemical formula of Spodumene- LiAlSi2O6
  • Chemical formula of Black Opal- SiO 2 + H 2OUlrich Henn and Claudio C.

Spodumene and Black Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Spodumene and Black Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Spodumene and Black Opal Optical Properties during the identification of gemstone. Specific gravity of Spodumene is 1.97-2.22 whereas that of Black Opal is 1.97-2.22.