Thunderegg

Object/Artifact

-

Crater Rock Museum

Name/Title

Thunderegg

Entry/Object ID

2010.1.31

Description

Chemical Composition: SiO2 Crystal System: Hexagonal System Description: Common Name: Agate Chemistry: SiO2 , Silicon dioxide Class: Silicates Location: Pony Butte, Ashwood, Oregon Description: Large, rounded back with polished face. Light and dark olive green outer chambered areas, with a transparent blue-gray area in one half of the center and a white crystalline area on the other half with a red spot in the center of the one half. There is a hollow cavity in the center.

Collection

RAGM Mineral Collection

Acquisition

Accession

2009.62

Source or Donor

Museum Collection of Minerals

Acquisition Method

Donation

Dimensions

Width

8 in

Depth

4-1/8 in

Length

12 in

Location

Location

Shelf

FS-12-B

Room

Frieda Smith Hall

Building

Crater Rock Museum

Category

Exhibit

Moved By

Jillian Mather Kettley

Date

June 17, 2025

Notes

location added while cleaning

Location

Shelf

Right

Cabinet

Case# 115

Building

Frieda Smith Hall

Category

Permanent