Thunderegg / Rhyolite

Object/Artifact

-

Crater Rock Museum

Name/Title

Thunderegg / Rhyolite

Entry/Object ID

78.60.214

Description

Chemical Composition: SiO2 Crystal System: Triclinic System Description: Common Name Thunderegg / Rhyolite Chemistry: SiO2 , Silicon dioxide Class: Class: Silicates Location: Skull Springs, Ventura, OR Description: (Delmar) A slice of thunderegg within Rhyolite, polished on one side and lacquered on the other. Pink thunderegg has white, grey and green agate center. Egg is surrounded by olive green rock with red Rhyolite. Rectangular side shows bedding lines in olives and reds with red Rhyolite. Some grey silicate filler is seen.

Collection

Delmar Smith Mineral Collection

Acquisition

Accession

78.60

Dimensions

Width

9-1/8 in

Depth

5/8 in

Length

13-3/4 in

Dimension Notes

Dimension taken at widest points

Location

Location

* Untyped Location

DS-12

Room

Delmar Smith Hall

Building

Crater Rock Museum

Category

Exhibit

Moved By

Ian C.

Date

January 21, 2025

Notes

State of Oregon Case Installation

Location

* Untyped Location

DS-11

Room

Delmar Smith Hall

Building

Crater Rock Museum

Category

Permanent

Moved By

Curator

Date

April 27, 2023

Notes

Added current location while cleaning shelf