Thunderegg

Object/Artifact

-

Crater Rock Museum

Thunderegg

Thunderegg

Name/Title

Thunderegg

Entry/Object ID

2009.62.431

Description

Chemical Composition: SiO2 Crystal System: Hexagonal System Description: Common Name: Agate Chemistry: SiO2 , Silicon dioxide Class: Silicates Location: San Andreas Fault, Templeton, California Description: Thick rounded back with polished face. Tan chambers on outer edges, with translucent smokey-gray inner band surrounding pink to violet area with two hollow cavities with druzy, violet crystalline structure.

Collection

RAGM Mineral Collection

Acquisition

Accession

2009.62

Source or Donor

Museum Collection of Minerals

Acquisition Method

Donation

Dimensions

Width

6 in

Depth

2 in

Length

7 in

Location

Location

Rolling Display

RD-12

Room

Mentzer Hall

Building

Crater Rock Museum

Category

Permanent

Date

September 30, 2023