Checked content



Français : Ferromanganèse de type Spiegeleisen. Pas de provenance précisée. Collection des mineraux du Bringham Young University Department of Geology, Provo, Utah. Photographie de Andrew Silver. Pas d'indice BYU.
English: Spiegeleisen type of Ferromanganese. No locality given. Mineral collection of Bringham Young University Department of Geology, Provo, Utah. Photograph by Andrew Silver. No BYU index.
Source United States Geological Survey
Author Andrew Silver


Public domain This image is in the public domain because it contains materials that originally came from the United States Geological Survey, an agency of the United States Department of the Interior. For more information, see the official USGS copyright policy.

български | català | Deutsch | English | español | eesti | suomi | français | galego | italiano | 한국어 | македонски | മലയാളം | Nederlands | polski | português | русский | Türkçe | 中文(香港)‎ | 中文(简体)‎ | +/−

USGS logo green.svg
The following pages on Schools Wikipedia link to this image (list may be incomplete):


A background to Schools Wikipedia

Wikipedia for Schools is designed to make learning fun and easy. SOS Children cares for children who have lost their parents. Our Children's Villages give these children a new home and a new family, while a high-quality education and the best of medical care ensures they will grow up with all they need to succeed in adult life. You can help by sponsoring a child.