Rio Mayo, Mun. de Mercaderes, Cauca Department, Colombia

Sapphire
Rio Mayo, Mun. de Mercaderes, Cauca Department, Colombia

Photo: Rob Lavinsky

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Alluvial gem corundum deposits.

References

- Sutherland, F.L., Duroc-Danner, J.M., and Meffre, S. (2008): Age and origin of gem corundum and zircon megacrysts from the Mercaderes–Rio Mayo area, South-west Colombia, South America. Ore Geology Reviews 34, 155-168.

External Links

- http://www.gemnantes.fr/documents/pdf/DUGs/Duroc-Danner_DUG.pdf

Mineral List

Almandine
Anthophyllite
Augite
Böhmite ?
Corundum
var: Ruby

Corundum
var: Sapphire
Fluorapatite
Grossular
Hematite
'Hornblende'

Ilmenite
Kornerupine
Magnetite
'Olivine'
Pyrope

Rutile
Titanite
Zircon

18 entries listed. 14 valid minerals.

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Current server date and time: 15th Jul 2011 00:35:11