Plume Agate

Object/Artifact

-

Crater Rock Museum

Name/Title

Plume Agate

Entry/Object ID

1989.2.73

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: Thin slice with polished face. Various transparent and translucent structures, each different and symmetrical with colors ranging from reddish-brown to dark red, yellow and beige.

Collection

Lawrence Crocker, Boyd Kline

Acquisition

Accession

1989.2

Source or Donor

Lawrence Crocker

Acquisition Method

Gift

Dimensions

Width

1-1/2 in

Depth

1/8 in

Length

4-1/2 in

Location

Moved By

Jillian Mather Kettley, Steve Miller

Date

May 15, 2025