Fluorite and Petalite Physical Properties
Solubility
slightly water soluble and in hot hydrochloric acid
insoluble
Durability
Not Available
Not Available
Specific Gravity
3.00-3.25
2.40
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
Cleavage
Octahedral, perfect on {111}, parting on {011}
Perfect on {001}, poor on {201} with 38.5° angle between the two
Chemical Composition
CaF2
LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fluorite and Petalite Chemical Formula
While comparing Fluorite and Petalite 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 Fluorite and Petalite chemical formula.
- Chemical formula of Fluorite- CaF2
- Chemical formula of Petalite- LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fluorite and Petalite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Fluorite and Petalite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Petalite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 2.40 whereas that of Petalite is 2.40.