Thunderegg

Object/Artifact

-

Crater Rock Museum

Name/Title

Thunderegg

Entry/Object ID

2015.1.22

Description

Chemical Composition: SiO2 Crystal System: Triclinic System Description: Common Name: Thunderegg Chemistry: SiO2 , Silicon dioxide Class: Class: Silicates Location: Crowley. Oregon Description: A slice that shows a greenish brown matrix with small, dull white crystal inclusions. There are four distinct layers of fortified agate at the center. One layer is tan in color one is a greyish white to clear, one is white with faint bedding lines and another that is a conglomerate of reds, pale blue white and olive green.

Collection

Delmar Smith Mineral Collection

Acquisition

Accession

2015.1

Dimensions

Width

7 in

Depth

1/4 in

Length

7-3/8 in

Dimension Notes

Dimension taken at widest points

Location

Location

Shelf

CS-J-3

Room

Curation Storage

Building

Crater Rock Museum

Category

Storage

Moved By

Jillian Mather Kettley

Date

July 2, 2025

Notes

Location update

Location

* Untyped Location

DS-11

Room

Delmar Smith Hall

Building

Crater Rock Museum

Category

Permanent

Moved By

Curator

Date

April 28, 2023

Notes

Added current location while cleaning shelf