Opal

Object/Artifact

-

Crater Rock Museum

Name/Title

Opal

Entry/Object ID

2013.2.1

Description

Chemical Composition: SiO2 Crystal System: Hexagonal System Description: Common Name: Opal Chemistry: SiO2 - nH2O; Hydrated Silicon Dioxide. Class: Mineraloid Location: Ethiopia Description: Hardness: 7 Quartz Rock Type: Sedimentary

Collection

RAGM Mineral Collection

Acquisition

Accession

LN 2013.2

Location

Location

* Untyped Location

RD-9

Moved By

Curtis Gardner, Ian C., Jillian Mather Kettley

Date

August 26, 2025