Parisite

Formula: Ca(Ce,La)₂(CO₃)₃F₂Mohs scale hardness: 4,5

Specific gravity: 4,34 g/cm³

^{Rare earth elements: Tb, Ce, La, Nd, Y}

^{Rare earth content, %: Ce}2^O3 ^26–31;

^(La,Nd,..)2^O3 ^{27.3–30.4; Y 8; REO}max^=60,9

^{Other constituents, %: CaO 10.4–11.4; CO}2

^{23–24.5; F 6–7.}

^{Mineralklasse: Сarbonate-fluoride,}

Carbonate

References

1. https://en.wikipedia.org

2. http://www.dakotamatrix.com/products/8145/parisite-ce#!prettyPhoto

3. https://en.wikipedia.org/wiki/Parisite-%28Ce%29

4. https://books.google.cl/books?id=jPskAQAAIAAJ&pg=RA4-PA13&lpg=RA4-PA13&dq=Green+Cove+Springs+Mine+monazite&source=bl&ots=8xH_PV9MoG&sig=MkXPfqzQ6OM4zmU2OWc-eHL2-GQ&hl=ru&sa=X&ved=0ahUKEwj6-bG1mfbMAhUDE5AKHYGfCWsQ6AEIKDAD#v=onepage&q&f=false