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Identifier

rockminx_5-2-2

Creator

Abstract

SiO2 with Cr - Mohs Hardness: 6-6½. Chrome chalcedony found in an ancient Roman gem collection may have come from one of the chromium deposits in what is now Turkey. Present commercial production comes from Zimbabwe under the trade name "mtorolite", and from Bolivia under the trade name "chiquitanita".

Document Type

Photograph

File Type

image/jpeg

Source Collection

Ruth Jacobs Collection

Geographical Area

Zimbabwe

Institution

The University of Toledo

Digital Publisher

Digital Initiatives, University of Toledo Libraries

LC Subject

environmental sciences; virtual exhibitions

Keywords

virtual exhibition; science;

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Image Location

 
COinS
 

Rights Statement

Rights Statement

No Copyright - United States. URI: http://rightsstatements.org/vocab/NoC-US/1.0/
The organization that has made the Item available believes that the Item is in the Public Domain under the laws of the United States, but a determination was not made as to its copyright status under the copyright laws of other countries. The Item may not be in the Public Domain under the laws of other countries. Please refer to the organization that has made the Item available for more information.