501![](https://www.pdfsearch.io/img/3144e0252855c7fcb8ee7bce27ff4c70.jpg) | Add to Reading ListSource URL: rruff.geo.arizona.eduLanguage: English |
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502![](https://www.pdfsearch.io/img/510bc01043bbb3f0af28a8d80291364c.jpg) | Add to Reading ListSource URL: rruff.geo.arizona.eduLanguage: English |
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503![](https://www.pdfsearch.io/img/31f4e258c15453d213b04a8a16e3a584.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2011-01-24 13:37:43
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504![](https://www.pdfsearch.io/img/d7330ec796128cd1a622f9bf17ec65f9.jpg) | Add to Reading ListSource URL: handbookofmineralogy.orgLanguage: English - Date: 2007-09-30 02:24:52
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505![](https://www.pdfsearch.io/img/6257943013072bc39d4e7fb28b425060.jpg) | Add to Reading ListSource URL: authors.library.caltech.eduLanguage: English - Date: 2012-12-26 07:34:20
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506![](https://www.pdfsearch.io/img/af0960f023453f2ec13bbc24b399497d.jpg) | Add to Reading ListSource URL: minsocnsw.org.auLanguage: English - Date: 2009-03-20 07:11:39
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