Oregon Thundereggs
Pony Ridge
Jefferson County
Opal Butte
Ochoco Mountains
Ochoco Mountains
Ochoco Mountains
Friend Ranch
"Forgotten Dragon"
Friend Ranch
Item #3TEORR12165721
Richardson Ranch Opal and Agate Thunderegg cut Half
Nice Opal and Agate with a defined layer pattern. Shown dry, should polish nicely.
Measures 3.2 x 2.8 x 1.3 inches (8.1 x 7.1 x 5.5cm) and weighs 8.9 oz or 0.55 lbs (254g)
Item #5TEO1216S199C07
Giant Oregon "Stalactites in a Cave" Polished Thunderegg Half
This is an amazing teaching specimen. We have used this piece for years to explain how minerals drip into the open centers of thundereggs, agates, geodes etc. There are several stalactite formations and color differentiated drip rings on the floor built upon the waterline layers of different minerals, This is one of those few specimens that evoke questions and promote interest in rock formations. Beautifully polished display specimen that will stand by itself at several angles. This piece has been in our personal collection for many years!
Measures 8 x 7.6 x 4.9 inches (20.4 x 19.4 x 12.4cm) and weighs 204 oz or 12.79 lbs (5.8kg)
Item #TEOM0513S45C52
Amethyst and Opal Ochoco Mountain Thunderegg Polished Half
Rare and Beautiful Lavender Amethyst adorns the Chalcedony connection to the white Opal with pink accents that has reddish brown accent lines. All of this is in a dark brick red matrix. This polished piece is from our personal collection and has been on display for several years. A very unique item!
This piece measures 3.1 x 2.9 x 1.6 inches (8.1 x 7.5 x 4.2cm) and weighs 11.3 oz or 0.71 lbs (322g)
Item #TEORS12145552
Oregon "Lake Storm" Thunderegg Polished Half
One of the most stunning pictoral Thundereggs you will find! A blue-grey chalcedony sky with white water spout clouds over a lake cutaway with water level sections accented in red. This scene is framed in a mottled brick red/green matrix. This has been in our personal collection for many years.
This piece measures 3.9 x 2.5 x 1.8 inches (10 x 6.5 x 4.8 cm) and weighs 12.2 oz or 0.76 lbs (345g)