281![](https://www.pdfsearch.io/img/daeb1b311adf9e5e58f64c47ab66f049.jpg) | Add to Reading ListSource URL: www.lincoln.ac.nzLanguage: English - Date: 2009-12-06 19:22:01
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282![](https://www.pdfsearch.io/img/ccfe7249428a944877b5e9848e4c8c11.jpg) | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 2006-08-07 15:28:14
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283![](https://www.pdfsearch.io/img/74f98be4de98b0dd64244b3be3493fd8.jpg) | Add to Reading ListSource URL: www.epa.govLanguage: English - Date: 1999-03-18 09:36:45
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284![](https://www.pdfsearch.io/img/3861a6dc4e0a7b8c630c404eba7fd38d.jpg) | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 02:48:44
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285![](https://www.pdfsearch.io/img/992d725403e5c88aaff5edaf837f66ce.jpg) | Add to Reading ListSource URL: rruff.geo.arizona.eduLanguage: English |
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286![](https://www.pdfsearch.io/img/88c755df24d9912ee9d6c4a8a150db72.jpg) | Add to Reading ListSource URL: nopr.niscair.res.inLanguage: English - Date: 2010-05-03 12:30:59
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287![](https://www.pdfsearch.io/img/3343e5adbad9c13a6553c28cbc26d22d.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2007-10-31 09:02:45
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288![](https://www.pdfsearch.io/img/57fee110ecfbd975734abd1aef9a0090.jpg) | Add to Reading ListSource URL: minerals.usgs.govLanguage: English - Date: 2008-01-31 14:29:23
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289![](https://www.pdfsearch.io/img/11d2744cf2100f7d875e02a2f98c2343.jpg) | Add to Reading ListSource URL: echa.europa.euLanguage: English |
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