Fluorapatite and Pyrophyllite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.1-3.25
2.65-2.90
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Gemstones (2009), Flexible Flexible fragments.
Cleavage
Indistinct
{001} Perfect
Mohs Hardness
5
Not Available
Chemical Composition
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fluorapatite and Pyrophyllite Chemical Formula
While comparing Fluorapatite 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 Fluorapatite and Pyrophyllite chemical formula.
- Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
- Chemical formula of Pyrophyllite- Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Fluorapatite and Pyrophyllite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Fluorapatite and Pyrophyllite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Pyrophyllite Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 2.65-2.90 whereas that of Pyrophyllite is 2.65-2.90.