Amethyst Thunderegg

Object/Artifact

-

Crater Rock Museum

Name/Title

Amethyst Thunderegg

Entry/Object ID

78.59.1008

Description

Chemical Composition: SiO2 Crystal System: Triclinic System Description: Common Name: Agate Chemistry: SiO2 , Silicon dioxide Class: Class: Silicates Location: Donny Brook, Antelope, OR Description: Thick section with polished face. Cut side shows amethyst crystalline center. Surrounding rock is mottled shades of moss green to off-white.

Collection

Delmar Smith Mineral Collection

Acquisition

Accession

78.59

Source or Donor

Delmar Smith Agate Collection

Acquisition Method

Gift

Dimensions

Height

3-3/8 in

Width

3-13/16 in

Length

3-1/8 in

Location

Location

* Untyped Location

Mentzer Hall, MH-12

Category

Permanent

Moved By

Steve Miller

Date

September 22, 2011