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Star Ruby
Star Ruby

Labradorite
Labradorite



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Star Ruby
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Labradorite

Star Ruby and Labradorite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.95-4.102.69-2.72
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven, Conchoidal, Gems, Sixth Edition (2006)
1.6 Cleavage
Not Available
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
1.7 Mohs Hardness
Not Available6-6.5
Amber
2 10
1.8 Chemical Composition
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
(Na,Ca)1-2Si3-2O8

Star Ruby and Labradorite Chemical Formula

While comparing Star Ruby and Labradorite 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 Star Ruby and Labradorite chemical formula.

  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Labradorite- (Na,Ca)1-2Si3-2O8

Star Ruby and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.