Name/Title
Plume AgateEntry/Object ID
1989.2.77Description
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 slab with polished face. Reddish-brown and olive green conglomerate on outer area, with a reddish-orange and black area to one side, with slight pink and beige plumes.Collection
Lawrence CrockerAcquisition
Accession
1989.2Source or Donor
Lawrence CrockerAcquisition Method
GiftDimensions
Width
2-3/8 inDepth
1/4 inLength
3-7/8 inLocation
Moved By
Jillian Mather Kettley, Steve MillerDate
May 15, 2025Notes
Location update