Name/Title
ThundereggEntry/Object ID
78.60.162Description
Chemical Composition: SiO2
Crystal System: Triclinic System
Description: Common Name: Thunderegg
Chemistry: SiO2 , Silicon dioxide
Class: Class: Silicates
Location: Prineville, OR
Description: A double chambered Thunderegg with one side in brownish red and clear fortified agate The other side is half the same color agate with half being dark grey to opaque white bedding lines. Some moss is seen as well as a small,dark red center with an opening showing
drusy crystals.Collection
Delmar Smith Mineral CollectionDimensions
Width
4 inDepth
2 inLength
5 inDimension Notes
Dimension taken at widest pointsLocation
Location
* Untyped Location
DS-12Room
Delmar Smith HallBuilding
Crater Rock MuseumCategory
ExhibitMoved By
Ian C.Date
January 21, 2025Notes
State of Oregon Case InstallationLocation
* Untyped Location
DS-11Room
Delmar Smith HallBuilding
Crater Rock MuseumCategory
PermanentMoved By
CuratorDate
April 27, 2023Notes
Added current location while cleaning shelf