Name/Title
Twinned ThundereggEntry/Object ID
2015.1.6Description
Chemical Composition: SiO2
Crystal System: Hexagonal System
Description: Common Name: Thunderegg
Chemistry: SiO2 , Silicon dioxide
Class: Silicates
Location: Ashwood, Oregon (Friends Ranch)
Description: A dual chambered thundereegg. One side has a small cavity lined with drusy quartz
surrounded by a dark grey translucent agate. The other side is solid agate in greys to black with some yellow. There is also a small cavity lined with yellow and orange bumpy crystal.Collection
RAGM Mineral CollectionAcquisition
Accession
2009.62Source or Donor
Museum Collection of MineralsAcquisition Method
DonationDimensions
Width
5 inDepth
1-1/2 inLength
6-1/4 inLocation
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 28, 2023Notes
Added current location while cleaning shelf