Name/Title
Amethyst ThundereggEntry/Object ID
78.59.1008Description
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 CollectionAcquisition
Accession
78.59Source or Donor
Delmar Smith Agate CollectionAcquisition Method
GiftDimensions
Height
3-3/8 inWidth
3-13/16 inLength
3-1/8 inLocation
Location
* Untyped Location
Mentzer Hall, MH-12Category
PermanentMoved By
Steve MillerDate
September 22, 2011