Fluorapatite and Purpurite Physical Properties
Tenacity
Not Available
Not Available
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.1-3.25
3.2-3.4
Fracture
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001)
Uneven, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
Indistinct
[100] [001] perfect
Chemical Composition
Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Fluorapatite and Purpurite Chemical Formula
While comparing Fluorapatite and Purpurite 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 Purpurite chemical formula.
- Chemical formula of Fluorapatite- Ca 5(PO 4) 3FAnthony et al , Handbook of mineralogy (2001)
- Chemical formula of Purpurite- MnPO 4Walter Schumann , Gemstones of the world (2001) More from other references
Fluorapatite and Purpurite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Fluorapatite and Purpurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Fluorapatite and Purpurite Optical Properties during the identification of gemstone. Specific gravity of Fluorapatite is 3.2-3.4 whereas that of Purpurite is 3.2-3.4.