Fluorite and Pyrophyllite Physical Properties
Tenacity
Brittle
Not Available
Solubility
slightly water soluble and in hot hydrochloric acid
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.00-3.25
2.65-2.90
Fracture
Subconchoidal, Uneven, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references
Gemstones (2009), Flexible Flexible fragments.
Cleavage
Octahedral, perfect on {111}, parting on {011}
{001} Perfect
Mohs Hardness
4
Not Available
Chemical Composition
CaF2
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fluorite and Pyrophyllite Chemical Formula
While comparing Fluorite and Pyrophyllite 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 Pyrophyllite chemical formula.
- Chemical formula of Fluorite- CaF2
- Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fluorite and Pyrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Fluorite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Fluorite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.