Plume Agate

Object/Artifact

-

Crater Rock Museum

Name/Title

Plume Agate

Entry/Object ID

1989.2.72

Description

Chemical Composition: SiO2 (MnO2) Crystal System: Triclinic System Description: Common Name: Quartz var.agate (plume) Chemistry: SiO2 Class: Silicates Location: Priday Bed, Madras, OR Description: Thick slab with rough, angular back and polished face. (2) small areas of reddish-brown on outer regions and a solid blue-gray and black center area with slight reddish-pink plumes.

Collection

Lawrence Crocker

Acquisition

Accession

1989.2

Source or Donor

Lawrence Crocker

Acquisition Method

Gift

Dimensions

Width

1-3/8 in

Depth

3/4 in

Length

2-3/8 in

Location

Moved By

Steve Miller, Jillian Mather Kettley

Date

May 15, 2025

Location

Building

Storage (old gift shop upstairs)

Category

Permanent