1![USGS Mineral Resources Program Cobalt—For Strength and Color As part of a broad mission to conduct research and provide USGS Mineral Resources Program Cobalt—For Strength and Color As part of a broad mission to conduct research and provide](https://www.pdfsearch.io/img/d4ad4a5b0cea139fd4bc5a202b8ea37d.jpg) | Add to Reading ListSource URL: pubs.usgs.govLanguage: English - Date: 2011-08-10 13:07:13
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2![American Mineralogist, Volume 59, pages[removed], 1974 SLlfides, American Mineralogist, Volume 59, pages[removed], 1974 SLlfides,](https://www.pdfsearch.io/img/3e360dfa867e3ca5130a306f547af863.jpg) | Add to Reading ListSource URL: www.minsocam.orgLanguage: English - Date: 2007-01-13 15:52:19
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3![American Mineralogist, Volume 66, pages[removed], 198i, Electronic structure of thiospinel minerals: results from MO calculations American Mineralogist, Volume 66, pages[removed], 198i, Electronic structure of thiospinel minerals: results from MO calculations](https://www.pdfsearch.io/img/22d67b59429d48effbd47c6e00db66d5.jpg) | Add to Reading ListSource URL: www.minsocam.orgLanguage: English - Date: 2007-08-25 00:53:13
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4![Co2+ Co3+ 2 S4 Co2+ Co3+ 2 S4](https://www.pdfsearch.io/img/dd6386e91d74c5a22d15430be3383f88.jpg) | Add to Reading ListSource URL: www.handbookofmineralogy.orgLanguage: English - Date: 2007-09-30 02:16:38
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5![Co2+ Co3+ 2 S4 Co2+ Co3+ 2 S4](https://www.pdfsearch.io/img/f6706b8ba18f43bd604c34a865a4f814.jpg) | Add to Reading ListSource URL: www.handbookofmineralogy.orgLanguage: English - Date: 2007-09-30 02:16:38
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6![Chalcocite Cu2 S Chalcocite Cu2 S](https://www.pdfsearch.io/img/f3db678640bc5debcc8efdea4b35d858.jpg) | Add to Reading ListSource URL: www.handbookofmineralogy.orgLanguage: English - Date: 2007-09-30 00:49:08
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7![](https://www.pdfsearch.io/img/4107d80e6ad18615f0f5d114340f770b.jpg) | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 00:46:16
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8![](https://www.pdfsearch.io/img/dd0136a0d1c31ffb47ce9513df5ce197.jpg) | Add to Reading ListSource URL: rruff.geo.arizona.eduLanguage: English |
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9![](https://www.pdfsearch.io/img/ed7cf4ca99d6437f7f73958546ba637c.jpg) | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 02:16:38
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10![](https://www.pdfsearch.io/img/e2c89b71e0584ea8b8ce083e2ca76d84.jpg) | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 00:49:08
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