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Labradorite
Labradorite

Cordierite
Cordierite



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Labradorite
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Cordierite

Labradorite and Cordierite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.69-2.722.57-2.66
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Subconchoidal, Conchoidal, Brittle
1.6 Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Fair on {100}, poor on {001} and {010}
1.7 Mohs Hardness
6-6.57-7.5
Amber
2 10
1.8 Chemical Composition
(Na,Ca)1-2Si3-2O8
Mg2Al4Si5O18

Labradorite and Cordierite Chemical Formula

While comparing Labradorite and Cordierite 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 Labradorite and Cordierite chemical formula.

  • Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8
  • Chemical formula of Cordierite- Mg2Al4Si5O18

Labradorite and Cordierite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Cordierite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Cordierite Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 2.57-2.66 whereas that of Cordierite is 2.57-2.66.