Name/Title
Thunderegg ClusterEntry/Object ID
2015.1.24Description
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 agate surrounds three fortified agate areas in clear and dark grey to reddish brown and pink. Some white bed lines are seen. Two of the sections have a hollow lined with a rounded, smooth grey crystal. Rock is brown and tan.Collection
Delmar Smith Mineral CollectionDimensions
Width
6-1/2 inDepth
4 inLength
11-3/4 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
