Thunderegg

Object/Artifact

-

Crater Rock Museum

Name/Title

Thunderegg

Entry/Object ID

2010.1.37

Description

Chemical Composition: SiO2 Crystal System: Hexagonal System Description: Common Name: Agate Chemistry: SiO2 , Silicon dioxide Class: Silicates Location: Deschutes River, Oregon Description: Large, rounded back with polished face. Olive green with black spots on outer area with transparent smokey-brown, gray, black, and a small blue-gray band toward the center. A couple of small, hollow cavities.

Collection

RAGM Mineral Collection

Acquisition

Accession

2009.62

Source or Donor

Museum Collection of Minerals

Acquisition Method

Donation

Dimensions

Width

10-1/4 in

Depth

4-1/4 in

Length

11-1/4 in

Location

Location

Shelf

FS-14-A

Room

Frieda Smith Hall

Building

Crater Rock Museum

Category

Exhibit

Moved By

Jillian Mather Kettley

Date

June 17, 2025

Notes

location added while cleaning