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Star Ruby
Star Ruby

Fluorite
Fluorite



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Star Ruby
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Fluorite

Star Ruby and Fluorite Physical Properties

1 Physical Properties
1.1 Tenacity
Not Available
Brittle
1.2 Solubility
Not Available
slightly water soluble and in hot hydrochloric acid
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.95-4.103.00-3.25
Amber
1 7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
1.6 Cleavage
Not Available
Octahedral, perfect on {111}, parting on {011}
1.7 Mohs Hardness
Not Available4
Amber
2 10
1.8 Chemical Composition
Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
CaF2

Star Ruby and Fluorite Chemical Formula

While comparing Star Ruby and Fluorite 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 Fluorite chemical formula.

  • Chemical formula of Star Ruby- Al 2O 3Michael O’Donoghue , Gems, Sixth Edition (2006)
  • Chemical formula of Fluorite- CaF2

Star Ruby and Fluorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Star Ruby and Fluorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Star Ruby and Fluorite Optical Properties during the identification of gemstone. Specific gravity of Star Ruby is 3.00-3.25 whereas that of Fluorite is 3.00-3.25.