Name/Title
ThundereggEntry/Object ID
78.60.368Description
Chemical Composition: SiO2
Crystal System: Triclinic System
Description: Common Name: Thunderegg
Chemistry: SiO2 , Silicon dioxide
Class: Class: Silicates
Location: Donnybrook, Ashwood, OR
Description: A thunderegg from Donnybrook, Ashwood,OR. Cut side shows grey agate center surrounded by circular olive green colored rock area with some grey, pinkish and green rock. yellowish and gray rock with some reddish color.Collection
Delmar Smith Mineral CollectionDimensions
Width
3-1/4 inDepth
2 inLength
4-1/4 inDimension Notes
Dimension taken at widest pointsLocation
Location
Shelf
CS-J-2Room
Curation StorageBuilding
Crater Rock MuseumCategory
StorageMoved By
Jillian Mather KettleyDate
July 29, 2025Notes
Location added during inventoryLocation
* Untyped Location
Mentzer Hall, MH-7Category
PermanentMoved By
Curtis GardnerDate
September 30, 2023
