Agates &
Thundereggs
Datolites
Variscite
Links
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Agates, Sedimentary Type
What is Sedimentary Agates" and how did they form?.

Updated May 2023

 Agates of United States and Canada:
-- Alabama & Tennessee:  Paint Rock Agates
Updated January 2017
-- Arkansas & Louisiana: Crowley's Ridge Updated May 2020
-- Florida: Agatized Corals from Florida Updated November 2015
-- Illinois:  Warsaw Formation Agates ("White Ringers"), Updated November 2015
-- Iowa: Coldwater Agates Updated July 2012
-- Iowa: Keswick Agates from Iowa  Updated December 2017
-- Kentucky: Kentucky Agates Updated July 2018
-- Missouri: Union Road Agates Updated October 2013
-- Montana: Dryhead Agates Updated December 2017
-- Montana: Bear Canyon Agates Updated May 2016
-- South Dakota:  BubbleGum Agates Updated July 2012
-- South Dakota: Prairie Agates Updated July 2012
-- South Dakota: Fairburn Agates, Updated May 2016
-- South Dakota: Tee Pee Canyon Agates, Updated November 2015
-- Utah: Greeswood Draw Agates, Updated October 2019
-- West Virgina: Agate from Lewisburg, Updated October 2013
-- Wisconsin: Nolte Agates, Updated July 2016

 Agates of Europe: & Asia (including Russia)
-- England:  Mendip Hills(Dulcote) Agate from England Updated November 2015
-- Russia: Nepa River Agates from Siberia Updated April 2013
-- Russia: Golutvin Agates from Moscow Region Updated July 2016
-- Tajikstan: Adrasman Agates Updated July 2019

 Agates of Latin & South America:
-- Agates of Gautemala,  Updated May 2023
-- Orellanite (Crater/Red Fox) Agates from Argentina  Updated July 2012
-- "Puma" Agates from Argentina  Updated November 2015
-- Snow Agates from Argentina Updated July 2012

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