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Labradorite
Labradorite

Star Ruby
Star Ruby



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Labradorite
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Star Ruby

Labradorite and Star Ruby 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
2.69-2.723.95-4.10
Amber
1 7.18
1.5 Fracture
Uneven, Conchoidal, Gems, Sixth Edition (2006)
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}
Not Available
1.7 Mohs Hardness
6-6.5Not Available
Amber
2 10
1.8 Chemical Composition
(Na,Ca)1-2Si3-2O8
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)

Labradorite and Star Ruby Chemical Formula

While comparing Labradorite and Star Ruby 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 Star Ruby chemical formula.

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

Labradorite and Star Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Labradorite and Star Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Labradorite and Star Ruby Optical Properties during the identification of gemstone. Specific gravity of Labradorite is 3.95-4.10 whereas that of Star Ruby is 3.95-4.10.