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

Photo: Rob Lavinsky
 
 
Alluvial gem corundum deposits.

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.

The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

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.


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Copyright © Jolyon Ralph and Ida Chau 1993-2014. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them. Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of thousands of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register.
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