Name/Title
ThundereggEntry/Object ID
78.60.271Description
Chemical Composition: SiO2
Crystal System: Triclinic System
Description: Common Name: Thunderegg
Chemistry: SiO2 , Silicon dioxide
Class: Class: Silicates
Location: Frieda Bed, Madras,OR
Description: Polished side of a slice of thunderegg shows a grey agate bubble ( only one ever found by Delmar Smith) . There is fortified and bedded agate in blue-greys, blues and white.
Two calcite crystals are seen lodged on the polished side and three on the other side. Surrounding rock is red, pink, grey, green, tan and beige.Collection
Delmar Smith Mineral CollectionDimensions
Width
3-5/8 inDepth
1-3/4 inLength
6-3/8 inDimension Notes
Dimension taken at widest pointsLocation
Location
* Untyped Location
Mentzer Hall, MH-6Category
PermanentMoved By
Curtis GardnerDate
September 30, 2023