Thunderegg

Object/Artifact

-

Crater Rock Museum

Name/Title

Thunderegg

Entry/Object ID

1984.62.204

Description

Chemical Composition: SiO2 (MnO2) Crystal System: Triclinic System Description: Common Name: Quartz var. agate (Thunderegg) Chemistry: SiO2 Class: Silicates Location: Priday Bed, Madras, OR Description: Rough, rounded back with polished face. Reddish-brown outer regions with translucent blue-gray and white banding towards center. One area has a distinct crystalline structure.

Collection

Leland "Cap" Mentzer

Acquisition

Accession

1984.62

Source or Donor

Leland "Cap" Mentzer

Acquisition Method

Long-term Loan

Dimensions

Width

3-7/8 in

Depth

1-3/4 in

Length

4-1/4 in

Location

Location

Shelf

CS-G-3

Room

Curation Storage

Building

Crater Rock Museum

Category

Storage

Moved By

Curator

Date

February 14, 2024