Name/Title
Thunderegg GeodeEntry/Object ID
2015.1.14Description
Chemical Composition: SiO2
Crystal System: Triclinic System
Description: Common Name: Thunderegg
Chemistry: SiO2 , Silicon dioxide
Class: Class: Silicates
Location: Maupin, OR
Description: A purplish brown rock with two openings in cut face. Open cavities show a blue and white botryoidal interior surrounded by some black agate and an area of bedding lines in white and grey.Collection
Delmar Smith Mineral CollectionDimensions
Width
6-1/4 inDepth
3-1/2 inLength
7 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 case