Name/Title
ThundereggEntry/Object ID
1984.62.205Description
Chemical Composition: SiO2 (MnO2)
Crystal System: Triclinic System
Description: Common Name: Quartz var. agate (Thunderegg)
Chemistry: SiO2
Class: Silicates
Location: Priday Bed, Madras, OR
Description: "Double" Thunderegg with rough, rounded back and polished face. Reddish-brown outer regions with distinct white and gray banding and an area of light and dark blue-gray swirled bands.Collection
Leland "Cap" MentzerAcquisition
Accession
1984.62Source or Donor
Leland "Cap" MentzerAcquisition Method
Long-term LoanDimensions
Width
3-3/4 inDepth
1-1/2 inLength
5-3/4 inLocation
Location
* Untyped Location
Mentzer Hall, MH-10Category
Permanent
