[Rockhounds] Emerald deposits: Two review papers with links

[Paul]

Below are two review papers about emerald deposits and links.

Giuliani, G., Groat, L.A., Marshall, D., Fallick, A.E. and
Branquet, Y., 2019. Emerald deposits: A review and
enhanced classification. Minerals, 9(2), p.105-134.
https://www.mdpi.com/2075-163X/9/2/105

 Groat, L.A., Giuliani, G., Marshall, D.D. and Turner, D.,
2008. Emerald deposits and occurrences: A review. 
Ore Geology Reviews, 34(1-2), pp.87-112.
https://transparencylab.org/Documentation/Additional%20resources/Literature/Groat%20et%20al_Emerald%20deposits%20and%20occurrences%20A%20review_2007.pdf

Yours,

Paul H.