Name/Title
"The Cave" ThundereggEntry/Object ID
2015.1.23Description
Chemical Composition: SiO2
Crystal System: Triclinic System
Description: Common Name: Thunderegg
Chemistry: SiO2 , Silicon dioxide
Class: Class: Silicates
Location: Madras. Oregon
Description: A matrix of brown to greenish grey agate surrounds fortified agate in clear and dark grey. Bedding lines are seen in about half the agate center. There are also four small, agate lined openings. Some reddish brown to tan moss is seen along the perimeters. Rock is reddish brown.Collection
Delmar Smith Mineral CollectionDimensions
Width
6-1/2 inDepth
2-3/4 inLength
8-1/2 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 28, 2023Notes
Added current location while cleaning shelf