Thunderegg

Object/Artifact

-

Crater Rock Museum

Name/Title

Thunderegg

Entry/Object ID

1984.62.248

Description

Chemical Composition: SiO2 (MnO2) Crystal System: Triclinic System Description: Common Name: Quartz var.agate (Thunderegg) Chemistry: SiO2 Class: Silicates Location: Ochoco Mountains, OR Description: Rough, rounded back with polished face. Dark olive green on outer regions with creamy yellow on inner area and a small area of banded white and pinkish beige towards center.

Collection

Leland "Cap" Mentzer

Acquisition

Accession

1984.62

Source or Donor

Leland "Cap" Mentzer

Acquisition Method

Long-term Loan

Dimensions

Width

3-1/4 in

Depth

2 in

Length

3-3/8 in

Location

Location

* Untyped Location

Mentzer Hall, MH-10

Category

Permanent

Moved By

Steve Miller

Date

May 3, 2011