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The Magic of Rocks and Stones


By Patricia J. Martin

In the true tradition of Ostara where the fertility of rabbits and eggs prevail and where the Goddess Eostre bursts forth from her hidden abode to begin renewing the earth and fulfilling the promise of Spring, I found some very interesting connections within the physicality and essence of a most interesting stone called ~ the Thunderegg!

An often drab and uninteresting egg-shaped or spherical stone with a matrix shell comprised of silica birthed within volcanic ash, it's what is encapsulated inside of these natural wonders that has captured the minds and hearts of collectors over the years and throughout the world.  When cracked open, the inside of the Thunderegg (called the lens or window) is most often comprised of a beautifully banded, moss or plume Agate, but can alternately contain Jasper or occasionally Common Opal.  When the two inner surfaces are polished, the glorious configurations spring forth and truly come to life, usually in the shape of a star or flower-like pattern - the most famous of the "flowers" being the Priday Plume variety which were mined many years ago on the Priday ranch in Madras, Oregon.



Star Thunderegg                                  Priday Plume

Different from a Geode which is simply a hollow rock containing crystal druse, the Thunderegg is a specific geological departure from the norm and is filled solid with its inner mineral beauty.  They can range in size from less than an inch to four feet in diameter, with weight ranging from less than an ounce to over a ton.  Most of those collected, though, are approximately the size of a baseball and weigh between one to two pounds.



Oregon Thundereggs

In myth, the Thunderegg was believed by the Pacific Northwest Native Americans to be thunderous rock eggs thrown across the valley between two mountains (specifically Mount Hood and Mount Jefferson in Oregon) by the warring Thunder Gods whenever they became angry with or jealous of each other.  Hence, the English version of the Indian name "thunder eggs".  Or, as another story goes, they were thrown from the mountains by the angry gods who were displeased with the humans there.  Thundereggs are also associated with the Norse god, Thor (known as Donner in German), the god of thunder.


Donner (Thor) calling upon the storm clouds, by Arthur Rackham to Wagner's Das Rheingold

Found extensively in northeastern Australia, but also very prolific in Oregon in the U.S. where they adopted it as their state rock in 1965, Thundereggs are also found in Germany, Mexico, Canada, France and various regions in Africa.   These uniquely constructed nodules were formed millions of years ago following volcanic eruptions.  As lava poured forth and began to cool, certain pools of it became "frothy" and developed gas pockets.  As this bubbling brew was hardening, minute amounts of mineral-rich water seeped inside each cavity where, later, as it slowly evaporated, it left behind traces of silica or other minerals.  These trace minerals then began growing within the shell and, over time, filled the "egg" solid with the Agate, Jasper or Common Opal we find there now.  It is commonly thought that through the growth process, the expansion and contraction of the gases (that, or the drying out process) is what created ruptures or cracks in the matrix which eventually became the reason for the unique "star" patterns of internal mineral growth. 

Because the Thunderegg's beauty is held hidden within until we crack them open, this aspect of the stone resonates with the astrological Sign of Scorpio.  Its stellar Agate insides work well with Virgo and Gemini, both of which share Agate as one of their birthstones.  And because the Thunderegg is most often highly-collected in its duo form - the two pieces of the split stone having its inside faces polished and where those two facial designs appear identically mirrored to each other - it becomes an excellent representation of the Equinox, the time of equal day and night...a time of balance...and thus finds its connection with Libra and its ruler Venus, the goddess of love.  These two mirrored pieces of one stone may be used in love spells or as a bonding talisman between two lovers or friends.  And therein lies yet another connection with Ostara - a time of budding love, fertility and joyous renewal. 

Thundereggs, by their very own surprise insides, teach us how better to look within ourselves and appreciate our own inner light and beauty, which it then prompts us to unleash and share with the world.   They push us to recognize that all creatures possess this same inner beauty and light and that, though we may need to search for it, it is always there.  This makes the Thunderegg a perfect catalyst stone for those of us in the Northern Hemisphere, pushing us to jump into Spring and to activate our Winter musings, insisting we now bring out and release our very best!  For those in the Southern Hemisphere at this time, it will pull you inside yourself to bask in the beauty there as you enter the Mabon harvest and prepare for Winter.  These marvelous "eggs" can also help ease stressful situations and will aid us in finding joy and peace no matter where we are in the world. 

Metaphysically, the Thunderegg is known to quell anger and hostility in those who work with it.  It also acts as a glue, enhancing community cooperation and bringing people together to work for a common cause.  It brings stable progress and helps us put the right thought together with the right action in order to manifest our intentions properly and in the best manner. 

Thundereggs are excellent for helping us reach and work with the Other Realms and for providing a link to them, along with facilitating a greater awareness for what we will gather there. 

With the main lore connected to Thundereggs revolving around the mythos of being a weapon of the gods or being attached to the thunder of Thor, we can connect this hearty stone to clairaudience - its own "thunder" creating an attention-grabbing way for us to hear and discern what messages we are receiving from practically anything around us.  If you have trouble hearing or noticing opportunistic mystical guidance, a Thunderegg can be a very helpful aid.  If you feel your mind is very active already and that you have no problem in receiving subtle messages, then I would suggest saving Thunderegg medicine for another time.  I personally haven't used Thunderegg medicine very often, but I do own one that has helped me in receiving Totemic messages, as I find the designs within the egg often mimic the shape of whatever is trying to get our attention.  For example, I noticed years ago that my smallest Thunderegg contains the image of not only the initial Squirrel I saw there, but also one of a Dolphin and a Dove...each viewable as you turn the stone deosil.  It is my "Work + Play = Rejuvenation" stone.



The three sides of my egg ~"Squirrel" "Dolphin" "Dove"

Thundereggs collected from Mt. Hay in Queensland, Australia, have earned the nickname "Amulet Stones" and when polished on the outer surface and placed under a UV light, often exhibit a shimmering Spring green glow.  They are carried for good luck and protection.  For other myth and lore connected to Thundereggs we can look to the essence of its center, be it Agate, Jasper, Opal or other mineral.  Finding out what your "egg" contains will give you strong hint of its additional powers.  Since the majority of Thundereggs contain Agate in some form, we can expect those to help us in the following ways: For eloquence of truths, enhancement of perceptions, analytical prowess, and strength of protection.  For creative dreams, increased concentration, enhancement of memory, and communication with all others.  And for good health in skin, bones, liver, spleen and stomach areas, along with balance to the Nervous and Endocrine Systems. 

But for however you use the versatile powers of your Thunder"egg"...may the fertility and abundance of Spring and the hand of Eostre knock loudly on your door!



Love Is In the Earth, Melody

Cash & Treasures with Kirsten Gum, Travel Channel

Thunderegg, itself.


© 2010 Patricia J. Martin

Best wishes and Blessed Be


Site Contents - Links to all Pages


Home Page


A Universal Message:


Let there be peace in the world  -   Where have all the flowers gone?


About me:

My Personal PageMy Place in England / My Family Tree (Ancestry)


Wicca & Witchcraft


Wicca/Witchcraft /  What is Wicca What is Magick


Traditional Writings:


The Wiccan Rede Charge of the Goddess Charge of the God  /  The Three-Fold Law (includes The Law of Power and The Four Powers of the Magus) /  The Witches Chant The Witches Creed Descent of the Goddess Drawing Down the Moon The Great Rite Invocation Invocation of the Horned GodThe 13 Principles of Wiccan Belief /  The Witches Rede of Chivalry A Pledge to Pagan Spirituality


Correspondence Tables:


IncenseCandlesColours Magickal Days Stones and Gems Elements and Elementals




Traditions Part 1  -  Alexandrian Wicca /  Aquarian Tabernacle Church (ATC) /  Ár Ndraíocht Féin (ADF) /  Blue Star Wicca /  British Traditional (Druidic Witchcraft) /  Celtic Wicca /  Ceremonial Magic /  Chaos Magic /  Church and School of Wicca /  Circle Sanctuary /  Covenant of the Goddess (COG) /  Covenant of Unitarian Universalist Pagans (CUUPS) /  Cyber Wicca /  Dianic Wicca /  Eclectic Wicca /  Feri Wicca /


Traditions Part 2 Gardnerian Wicca /  Georgian Tradition /  Henge of Keltria /  Hereditary Witchcraft /  Hermetic Order of the Golden Dawn (H.O.G.D.) /  Kitchen Witch (Hedge Witch) /  Minoan Brotherhood and Minoan Sisterhood Tradition /  Nordic Paganism /  Pagan Federation /  Pectic-Wita /  Seax-Wica /  Shamanism /  Solitary /  Strega /  Sylvan Tradition /  Vodoun or Voodoo /  Witches League of Public Awareness (WLPA) /


Other things of interest:


Gods and Goddesses (Greek Mythology) /  Esbats & Full Moons Links to Personal Friends & Resources Wicca/Witchcraft Resources What's a spell? Circle Casting and Sacred Space  Pentagram - Pentacle Marks of a Witch The Witches Power The Witches Hat An esoteric guide to visiting London SatanismPow-wowThe Unitarian Universalist Association /  Numerology:  Part 1  Part 2  /  Part 3A history of the Malleus Maleficarum:  includes:  Pope Innocent VIII  /  The papal Bull  /   The Malleus Maleficarum  /  An extract from the Malleus Maleficarum  /  The letter of approbation  /  Johann Nider’s Formicarius  /  Jacob Sprenger  /  Heinrich Kramer  /  Stefano Infessura  /  Montague Summers  /  The Waldenses  /  The Albigenses  /  The Hussites /  The Native American Sun DanceShielding (Occult and Psychic Protection)  The History of ThanksgivingAuras  - Part 1 and Part 2 Doreen Valiente Witch” (A Book Review) /   


Sabbats and Festivals:


The Sabbats in History and Mythology /  Samhain (October 31st)  /  Yule (December 21st)  /  Imbolc (February 2nd)  /  Ostara (March 21st)  /  Beltane (April 30th)  /  Litha (June 21st)  /  Lammas/Lughnasadh (August 1st)  /  Mabon (September 21st)


Rituals contributed by Crone:


Samhain / Yule Imbolc Ostara /  Beltane Litha Lammas Mabon




Tools of a Witch  /  The Besom (Broom) /  Poppets and DollsPendulums / Cauldron Magick Mirror Gazing




Animals in Witchcraft (The Witches Familiar and Totem Animals) /  AntelopeBatsCrow Fox Frog and Toads Goat / HoneybeeKangarooLion OwlPhoenix Rabbits and HaresRaven Robin RedbreastSheep Spider SquirrelSwansUnicornWild Boar Wolf /  Serpent /  Pig /  Stag /  Horse /  Mouse /  Cat /  Rats /  Unicorn




In Worship of Trees - Myths, Lore and the Celtic Tree Calendar.  For descriptions and correspondences of the thirteen sacred trees of Wicca/Witchcraft see the following:  Birch /  Rowan / Ash /  Alder /  Willow Hawthorn /  Oak /  Holly /  Hazel /  Vine /  Ivy /  Reed /  Elder


Sacred Sites:


Mystical Sacred Sites  -  Stonehenge /  Glastonbury Tor /  Malta - The Hypogeum of Hal Saflieni /  Avebury /  Cerne Abbas - The Chalk Giant /  Ireland - Newgrange /


Rocks and Stones:


Stones - History, Myths and Lore


Articles contributed by Patricia Jean Martin:


Apophyllite  / Amber Amethyst Aquamarine Aragonite Aventurine Black Tourmaline Bloodstone Calcite Carnelian Celestite Citrine Chrysanthemum StoneDiamond  /  Emerald / Fluorite Garnet /  Hematite Herkimer Diamond Labradorite Lapis Lazuli Malachite Moonstone Obsidian Opal Pyrite Quartz (Rock Crystal) Rose Quartz Ruby Selenite Seraphinite  /  Silver and GoldSmoky QuartzSodalite Sunstone ThundereggTree AgateZebra Marble


Wisdom and Inspiration:


Knowledge vs Wisdom by Ardriana Cahill I Talk to the TreesAwakening The Witch in YouA Tale of the Woods I have a Dream by Martin Luther King /


Articles and Stories about Witchcraft:


Murdered by Witchcraft The Fairy Witch of Clonmel A Battleship, U-boat, and a Witch The Troll-Tear (A story for Children) /  Goody Hawkins - The Wise Goodwife /  The Story of Jack-O-Lantern The Murder of the Hammersmith Ghost Josephine Gray (The Infamous Black Widow) /  The Two Brothers - Light and Dark


Old Masters of Academia:


Pliny the ElderHesiodPythagoras





A "Who's Who" of Witches, Pagans and other associated People

(Ancient, Past and Present)


Remembered at Samhain

(Departed Pagan Pioneers, Founders, Elders and Others)


Pagan Pioneers:  Founders, Elders, Leaders and Others


Abramelin the Mage /  Agrippa Aidan A KellyAlbertus Magnus - “Albert the Great” Aleister Crowley - “The Great Beast” /  Alex Sanders - “King of the Witches” /  Alison Harlow /   Allan Bennett - the Ven. Ananda MetteyyaAllan Kardec (Spiritism) /  Alphonsus de SpinaAmber KAnn Moura /  Anna FranklinAnodea JudithAnton Szandor LaVey /  Arnold CrowtherArthur Edward Waite /  Austin Osman SpareBalthasar Bekker /  Biddy EarlyBarbara Vickers /  Bridget Cleary - The Fairy Witch of Clonmel /  Carl " Llewellyn" Weschcke Cecil Hugh WilliamsonCharles Godfrey Leland /   Charles WaltonChristopher PenczakChristina Oakley Harrington Cornelius Loos /  Damh the Bard - "Dave Smith" /  Dion Fortune /  Dolores Aschroft-NowickiDonald Michael Kraig Doreen ValienteDorothy MorrisonDr. John Dee & Edward Kelly /  Dr. Leo Louis Martello /  Edain McCoy /  Edward FitchEleanor Ray Bone - “Matriarch of British Witchcraft” Eliphas Levi /  Ernest Thompson Seton /  Ernest Westlake /  Fiona Horne /   Frederick McLaren Adams - Feraferia Friedrich von Spee /  Francis Barrett /  Gavin and Yvonne Frost and the School and Church of Wicca /  Gerald B. Gardner - The father of contemporary Witchcraft /  Gwydion Pendderwen Hans HolzerHelen Duncan /   Herman Slater - Horrible Herman /  Heinrich KramerIsaac Bonewits Israel RegardieIvo Domínguez Jr. /  Jack Whiteside Parsons - Rocket Science and Magick /  James "Cunning" Murrell - The Master of Witches /  Janet Farrar and Gavin BoneJean Bodin Jessie Wicker Bell - “Lady Sheba” / Johann Weyer  / Johannes Junius - "The Burgomaster of Bamberg" /   Johann Georg Fuchs von Dornheim  -  the “Hexenbrenner” (witch burner) /  John Belham-Payne John George Hohman - "Pow-wow" /  John Gerard /  John Gordon Hargrave and the Kibbo Kith Kindred /  John Michael Greer /  John Score /  Joseph “Bearwalker” Wilson /  Joseph John Campbell /  Karl von Eckartshausen Lady Gwen Thompson - and "The Rede of the Wiccae" /   Laurie Cabot  - "the Official Witch of Salem" /  Lewis SpenceLodovico Maria Sinistrari Ludwig LavaterMadeline Montalban and the Order of the Morning Star /  Margaret Alice MurrayMargot AdlerMichael Howard and the UK "Cauldron Magazine" /  Margaret St. Clair - the “Sign of the Labrys” /  Marie Laveau - " the Voodoo Queen of New Orleans" /  Marion WeinsteinMartin Antoine Del Rio Matthew Hopkins - “The Witch-Finder General” /   Max Ehrmann and the "Desiderata" /  Michael A. Aquino - and The Temple of Set /  Monique WilsonMontague Summers /  Nicholas CulpeperNicholas RemyM. R. SellarsMrs. Maud Grieve - "A Modern Herbal" /  Oberon Zell-Ravenheart and Morning GloryOld Dorothy Clutterbuck /  Old George PickingillOlivia Durdin-Robertson - co-founder of the Fellowship of Isis /  Paddy SladePamela Colman-SmithParacelsus /  Patricia CrowtherPatricia Monaghan /  Patricia “Trish” TelescoPaul Foster Case and the “Builders of the Adytum” mystery school /  Peter Binsfeld /  Philip HeseltonRaven GrimassiRaymond Buckland /  Reginald Scot /  Richard BaxterRobert CochraneRobert ‘von Ranke’ Graves and the "The White Goddess" /  Rosaleen Norton - “The Witch of Kings Cross” /  Rossell Hope Robbins /   Ross Nichols and the " Order of Bards, Ovates & Druids" (OBOD) /  Rudolf SteinerSabrina Underwood - "The Ink Witch" /  Scott CunninghamSelena Fox - founder of "Circle Sanctuary" /  Silver RavenwolfSir Francis Dashwood /  Sir James George Frazer and the " The Golden Bough"S.L. MacGregor Mathers and the “Hermetic Order of the Golden Dawn” /  Starhawk /  Stewart Farrar /  Sybil LeekTed Andrews The Mather Family - (includes:  Richard Mather, Increase Mather and Cotton Mather ) /   Thomas AdyT. Thorn CoyleVera ChapmanVictor & Cora Anderson and the " Feri Tradition" /  Vivianne CrowleyWalter Brown GibsonWalter Ernest ButlerWilliam Butler YeatsZsuzsanna Budapest /  



Many of the above biographies are briefs and far from complete.  If you know about any of these individuals and can help with additional information, please contact me privately at my email address below.  Many thanks for reading  :-)



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