Dwarves' Earth Treasures:
Agates, Thunderegg Type


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  The "thunderegg" name was given to the spherical lithophysae nodules by American Natives with a belief that they were leftovers from the thunderous war between the mythological Gods. The name "thunderegg" is becoming widely used to describe the nodules containing the geometrically cavities between the rhyolitic shells, and they are found almost exclusively in the rhyolitic lava flows including those that have been completely decomposed into clay beds.
My entire collection is built mostly on the luck of cutting rough that I was able to obtain.
Others are obtained from old collectors, trades, gifts, and rarely agate dealers.

Updated February 2014

   What is "Thunderegg" and how did they form?

 Baker Eggs, JA's Favorite Agate/thunderegg of any kind:
   Note that "Baker Ranch" is an old name given to the large area that happened to include several thunderegg sites producing different types of thundereggs. The officially named "Baker Egg Load" (NOT "Baker Ranch") Mine was opened by Lindburgs and then mined by Paul "GeodeKid" Calburn.
-- Specimens Collected by JeffreyA.during 1st Visit to the Mine March 2004(Not updated)
-- Specimens Collected by JeffreyA.during March 2005 Mining Expedition (one day)(Not updated)
-- Specimens Collected by JeffreyA. during April 2006 Mining Expedition (Best Ever)(Not updated)
-- Specimens Collected by JeffreyA. during March 2007 Mining Expedition(Not updated)
-- Specimens Collected by JeffreyA. during March 2008 Mining Expedition(Not updated)
-- Specimens Collected by JeffreyA. during March 2009 Mining Expedition
-- Specimens Bought/Traded from Paul "GeodeKid Calburn,(Not updated

 Thundereggs of New Mexico:

-Baker & Butler Ranches at Hermanas:
-- Blue Star Updated March 2012
-- Prospect Pits of Bulter Hill, Updated July 2012
-- "Lindburg" Thundereggs Updated March 2012
-- Pastel Thundereggs Updated March 2012
-- JA's Little Wash Updated April 2012
-- Orange Star Site Updated April 2012
-- Tavenier Thundereggs Updated April 2012
-- Torpedo Beds Updated April 2012
-- "Orange Core" Agate Cores from Hermanas, New Mexico
-Little Florida Mountains, East of Deming:

-- Eggzilla Thundereggs, Updated April 2013
-- Dead Tree Thundereggs
Updated March 2012
-- Over the Hill Thundereggs, Updated April 2013
-- Sky Blue Thundereggs Updated March 2012
-- Neveragain Thundereggs Updated May 2012
-- Rockhound Park Thundereggs Updated May 2012
-- Sugar Bowl #1 Mine Updated April 2012
-- Sugar Bowl #2 Mine Updated April 2012
-- BrickRed/Black Queen (Sugar Bowl #3) Updated March 2012
 -Other NM Locations:
-- Bioconoid Mine from Radium Springs Updated January 2012
-- Bear Mountain near Silver City Updated April 2012
-- Honey Onyx Thunderggs from Radium Springs,
---- Random Agate Finds around Hermanas, New Mexico 

Thundereggs of Oregon:
-- Buchanan Updated February 2012
-- Calico Mountains along Oregon/Nevada Border Updated February 2012
-- Desolation Canyon Updated February 2012
-- Donnybrook Updated February 2012
-- Fallen Tree  Updated February 2012
-- Fred Bed Updated February 2012
-- Friend Ranch
Updated March 2012
-- H 2 L (Josephine Beds) Updated February 2012
-- Jeremy Beds Updated February 2012
-- Killer Green Updated February 2012
-- Lucky Strike & Valley View
Updated April 2012
-- McDermitt along Oregon/Nevada Border Updated February 2012
-- Mill Creek/Steins Pillar Updated February 2012
-- Queens Point Updated February 2012
-- Radford Mine Updated February 2012
-- Richardson Ranch: Red Beds from Madras

-- Richardson Ranch: Blue Beds (Old Priday Beds) from Madras

-- Richardson ranch: Moss Beds from Madras

-- Sandy Beds Updated February 2012
-- Secret Ridge (Harney Rim) Updated February 2012
-- Star Mountain Sagenite Updated February 2012
-- Succor Creek Updated February 2012
-- Tufa Beds Updated February 2012
-- White Springs Fir Updated February 2012
-- Yellow Jacket Updated February 2012

-Reference:  History of Thunderegg Collecting in Oregon by George Williams booklet

 Thundereggs From Other States:

-- Arizona: Muggins Mountains, Updated May 2012
-- California: Lead Pipe Springs of China Lake Updated February 2012
-- California (Wiley Well): Black Agates Updated January 2012
-- California (Wiley Well): Hauser Beds Updated February 2012
-- California(Wiley Well): Black Hills Updated February 2012
-- California(Wiley Well): Cinnamon Bowl Beds Updated February 2012
-- California(Wiley Well): Potato Patch(West) Updated February 2012
-- California(Wiley Well): Potato Patch(East) Updated February 2012
-- California(Wiley Well): Saddle Beds Updated February 2012
-- California(Wiley Well): Straw Beds Updated February 2012
-- Idaho: Bruneau Jaspers, Updated February 2012
-- Minnesota: Lake Superior Thundereggs, Update April 2013

-- Nevada: Black Desert Eggs, Updated December 2012

-- Nevada: Contact Eggs, Updated February 2012
-- Nevada: Other Thundereggs of Nevada, Updated April 2013

-- Texas: Mt. Chinco, Updated February 2012
-- Utah: Dugway "Geodes", Updated February 2012
-- Washington: Little Naches River, Updated February 2012

Thundereggs of Australia
-- Agate Creek, Updated April 2012
-- Couchy Creek, Updated December 2011
-- Mt. Hay, Updated December 2011
-- Mt. Jerusalem, Updated December 2011
-- Mt. Tamborine, Updated December 2011

Thundereggs of Europe:
-- France:  Frejus Thundereggs Updated January 2012
-- Germany: Spießberg, Thuringia Updated January 2012
-- Germany: Et. Egidien & Hohenstein Updated January 2012
-- Germany: Teufelskanzel (Devil's Puplit), Oberthal, Germany Updated February 2014
-- Germany: Other Thundereggs of Germany, Updated February 2014
-- Poland: Polish Thundereggs Updated January 2012
-- Romania: Romania Thundereggs Updated May 2012
-- Slovakia Republic: Bysta Thundereggs Updated January 2012
-- Turkey: Chubuk Agates & Thundereggs Updated February 2014

Thundereggs of Asia:
-- Indonesia: Mushroom Agate Cores, Updated November 2012
-- Japan: Japanese Thundereggs Updated January 2012
-- Kazakhstan: Thundereggs of Kazakhstan Updated January 2012

Thundereggs of Mexico:
-- Del Ray Thundereggs (mislabeled as Ascension Thundereggs ) Updated January 2012
-- Coyamo Thundereggs   Updated January 2012
-- Janos (Rainbow) Agates  Updated January 2012
-- Las Choyas & Other Mexican "Coconuts" Updated March 2012
-- Mariposa (Butterfly) Jasper Thundereggs Updated January 2012
-- Red Hot (Berrando) Agates  Updated January 2012
-- SnowBall / Surprise Agates Updated April 2012
-- Trancas "Geodes" Updated February 2012
-- Other Thundereggs of Mexico

Thundereggs of South America:

-- Ayaleft Thundereggs, Updated April 2012
-- Rio Colorado Thundereggs (Condor Eggs), Updated December 2011

 Thundereggs from Other Locations:

-- Canada: Mont Lyall, Quebec, Updated February 2012
-- Africa, Madagascar: "Ocean Jasper",
Updated October 2013
 -- Wisconsin(USA): Fluorite Thundereggs, Updated April 2012


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