Name/Title
Thunderegg GeodeEntry/Object ID
2015.1.15Description
Chemical Composition: SiO2
Crystal System: Triclinic System
Description: Common Name: Thunderegg
Chemistry: SiO2 , Silicon dioxide
Class: Class: Silicates
Location: Prineville, OR
Description: The cut face of this piece shows a reddish brown fortified agate with opaque tan colored veins. The cavity has a grey botryoidal interior and is surrounded on one side by solid, white quartz crystals and greyish bedding lines on the other. Rock is light tan and grey and botryoidal.Collection
Delmar Smith Mineral CollectionDimensions
Width
6 inDepth
3-1/2 inLength
7 inDimension Notes
Dimension taken at widest pointsLocation
Location
Shelf
CS-J-3Room
Curation StorageBuilding
Crater Rock MuseumCategory
StorageMoved By
Jillian Mather KettleyDate
July 2, 2025Notes
Location updateLocation
* Untyped Location
DS-11Room
Delmar Smith HallBuilding
Crater Rock MuseumCategory
PermanentMoved By
CuratorDate
April 27, 2023Notes
Added current location while cleaning shelf
