Thundereggs
Oregon
SpiritRock Shop
Large Ochoco Mountain Thunderegg Polished Half
This is a very nice Polished Thunderegg half with blue/grey and white water lines, Clear and hazy agate tubes and moss
from the Ochoco Mountains near Prineville, Oregon. This is a fine display specimen and is thick enough to slab.
This specimen weighs 4.19 lbs (1.9kg) and measures 6.7 x 4.9 x 2.6 inches (170 x 125 x 66mm)
Item #TEOM05104812
Large Ochoco Mountain
Thunderegg Polished Half
$42.00
Quantity Available 1
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Item #TEOM0209002
Ochoco Mountain Grey
Thunderegg Matched Pair
Polished Set
$45.00
Quantity Available 1 set
Supurb Oregon Thunderegg polished
matched half set.

Mixed light and dark grey colors with a
tinge of blue with white and clear
banding establishing the water lines
created during formation of this great
collector set. These also have a small
crystal filled vug on each half.
Approximate size; 4-3/8 x 3 1/2 x 1 1/2
inches for each half with a total weight
of just over 2 lbs for the set
Item #TEOM0209003
Ochoco Mountain Blue/Grey
Thunderegg Matched Pair
Polished Set
$45.00
Quantity Available 1set
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Stunning Oregon Thunderegg
polished matched half set.

Mixed baby blue with light and dark
grey colors with white and clear
banding establishing the water lines
created during formation of this great
collector set. These also have vertical
pattern over a horizontal pattern for a
very interesting effect..."looks like a
storm moving in"..... Approximate size;
4 x 3 1/8 x 1 3/4 inches for each half
with a total weight of just over 2 lbs for
the set
Bird Call and Cats Meow Double Thunderegg!
This one has light grey green flying bird and orange sitting cat patterns in a nice
tan triple matrix.  
A very unique specimen!
This piece measures 3.8 x 2.4 x 1.3 inches (96 x 61 x 33mm)
and weighs 0.46 lbs (208g)
Item #TEOM0209006
Ochoco Mountain Carmel Thunderegg
Polished Half
$15.95
A great carmel colored fracture free agate center with an
interesting red plume visible amoung the white calcite plume
columns! This specimen is Old Stock and comes from a collection
that was dug over 40 years ago.
This specimen measures approximately 3.5 x 2.5 x 1.5 inches
and weighs 0.54lbs (248g)
Item #TEOM07113512
Bird Call and Cats Meow
Double Thunderegg Polished
Half

$129.95
Quantity Available 1
(from our personal collection)
Item #TEOR05104461
Oregon  Opal Butte
Thunderegg Polished Half
$32.95
Quantity Available 1
Nice specimen of white and pink opal thunderegg!
This one has looks like a brecciated display with white sectors overlaying the pink opal with some darker red/brown accent
lines in the mix. Natural fractures are present as in all thundereggs . A very rare and different specimen!
This piece measures approximately 3.3 x 3 x 1.8 inches (84 x 76 x 46mm)  and weighs 0.82 lbs (375g)
XXLarge Polished Oregon Thunderegg with Geode-like Crystal Chamber
This rare and unusual “Rising Star” pattern thunderegg could technically be called a geode because the center has a nice large quartz
crystalline vug. There are inclusions from plant life and a bottom layer of white opal which glows a bright green under SW UV lighting. The
crystal vug is larger than perceived at first glance, as it is partially covered, and can be seen better when looking from different angles. This
specimen has the nice Oregon brown outer mineral with a nice blue color in several locations

This specimen weighs 4.6 lbs (2120g) and measures 6.7 x 5.7 x 2.7 inches (17 x 14.5 x 7cm)
Oregon Thunderegg
Nice Crystalline form with opal spot and water lines over a swirly and mounded bottom. A very Nice specimen!
This piece measures 5.2 x 4.4 x 2.4 inches (13.2 x 11.1 x 6.2cm) and weighs 2 lbs (909g)
Item #TEOR07119781
XL "Dark Star"
Thunderegg  Polished Half
$47.00
Quantity Available 1
Ochoco Mountains Thunderegg
Classic specimen with Dark Star shaped center with a nice vug with dark blue/grey fortification lines with a
beautiful light blue drusy lining ending in 4 distinct water level lines in white. A very nice deep brick red/brown
matrix sets off this exceptional XL Specimen! This is from our personal collection.
This piece measures 6 x 5 x 2.2 inches (15.2 x 12.8 x 5.8cm) and weighs 2.7 lbs (1224g)
Item #TEOR09104341
Oregon "Rising Star"
Thunderegg Polished Half
$52.95
Quantity Available 1
Item #TEOM01114622
Ochoco Mountain
Thunderegg Polished Half
$45.00
Almost looks like a barking dogs head too!
Notice to Our Customers
We will be closed from May 18th through
August 15th 2012 to relocate our business.
Orders placed during this time will not be
shipped until after August 15th. Purchases or
Reservations will be honored in the date order
they are received. 1st purchaser is served 1st.
Item #TEOM04129941
Ochoco Mountain
Thunderegg Polished Half


$3
2.00
Exceptional multi form thunderegg
with pronounced waterline fill below
a cavernous botryoidal overhead
opening. This one looks like a
hideaway cave with a small
opening exit in the rear wall that
penetrates the exterior rear matrix.
This one is very unusual. There are
chips in the newest white top layer
from the cutting and polishing
process as shown but this is still an
incredible specimen!


This piece measures 4 x 3.5 x 1.5 inches
(10.3 x 8.9 x 3.9cm)
and weighs 0.87lb (394g)