| Title | Copiapite with botryogen | 
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| Description | The yellow mineral is copiapite, a secondary mineral that forms from the oxidation of iron sulfide deposits.  The red mineral is botryogen, also a secondary mineral.  Both are hydrated iron-magnesium sulfate-hydroxides.  Copiapite is named for the famous mineral locality at Copiapo, Chile which is where it was first discovered and where this sample comes from.  This specimen is 7.5 cm across. | 
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| Location | Chile. Near Copiapo. Atacama. | 
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| Photographer | Twyla Baker. 2001-06-11. | 
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| Collection | University of North Dakota Mineralogy Collection #857. | 
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| Key words | copiapite, botryogen, Chile | 
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| Tech details | 548 KB. Hand specimen. Fujifilm FinePix S1Pro digital camera; 60mm AF Nikon micro lens. | 
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| GeoDIL number | 669 | 
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