Star Ruby and Fluorite Physical Properties
Tenacity
Not Available
Brittle
Solubility
Not Available
slightly water soluble and in hot hydrochloric acid
Durability
Not Available
Not Available
Specific Gravity
3.95-4.10
3.00-3.25
Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Cleavage
Not Available
Octahedral, perfect on {111}, parting on {011}
Mohs Hardness
Not Available
4
Chemical Composition
Al 2O 3Michael OâDonoghue , 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 OâDonoghue , 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.