Pedernal, Bajo Chacones, San José Province, Costa Rica

Standard Detailed By Chemistry Mineral Photos (1)Search Google

Zeolites are found in clay-lined vesicles in the Upper Miocene andesite conglomerates of the La Cruz Formation. They were exposed by a slide which removed the vegetation.

Mineral List:

Cowlesite
Epistilbite
Garronite
Goethite
'Heulandite'

'Lévyne'
Mesolite
Mordenite
Offretite
Okenite

'Phillipsite'
Scolecite
Thomsonite-Ca
Todorokite
Tschernichite

15 entries listed. 12 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 page is currently not sponsored. Click here to find out how you can sponsor this page.

Mineral

and/or Locality

www.mindat.org

Web

Copyright © Jolyon Ralph and Ida Chau 1993-2009. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the 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 hundreds of members and supporters. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 31st Oct 2009 04:38:53