21![Fe2+ Fe3+ 2 S4 Fe2+ Fe3+ 2 S4](https://www.pdfsearch.io/img/1e920dbdd1242da4aaba59c095ff5eb3.jpg) | Add to Reading ListSource URL: www.handbookofmineralogy.orgLanguage: English - Date: 2007-09-30 01:40:28
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22![](https://www.pdfsearch.io/img/cc43f4160c80f9f2f29e34f3337b21f1.jpg) | Add to Reading ListSource URL: www.gps.caltech.eduLanguage: English - Date: 2004-09-21 16:00:26
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23![](https://www.pdfsearch.io/img/65f3cfdf46d2ead4777170f732c37e8f.jpg) | Add to Reading ListSource URL: jeb.biologists.orgLanguage: English - Date: 2005-09-03 19:02:08
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24![](https://www.pdfsearch.io/img/dbe85d2a7dc96d4e7e1016b30d4d9e74.jpg) | Add to Reading ListSource URL: web.gps.caltech.eduLanguage: English - Date: 2007-05-09 11:27:30
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25![](https://www.pdfsearch.io/img/15058e12fe218d5d0ceac16868bc5a50.jpg) | Add to Reading ListSource URL: www.handbookofmineralogy.comLanguage: English - Date: 2007-09-30 01:40:28
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26![](https://www.pdfsearch.io/img/6d2b27592bc4422255aaacfd1bbb5296.jpg) | Add to Reading ListSource URL: rruff.geo.arizona.eduLanguage: English |
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27![](https://www.pdfsearch.io/img/7b7b1a11ec3653a4514050400c51bc2c.jpg) | Add to Reading ListSource URL: epswww.unm.eduLanguage: English - Date: 2009-09-16 16:37:08
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28![](https://www.pdfsearch.io/img/b9faaee3c8b3348bdbcbbd75b387db52.jpg) | Add to Reading ListSource URL: jb.asm.orgLanguage: English |
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29![](https://www.pdfsearch.io/img/95e96285d4422295000dde3cbb6b9442.jpg) | Add to Reading ListSource URL: jeb.biologists.orgLanguage: English |
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30![](https://www.pdfsearch.io/img/169add9009b6344cecf20b6dd770e85a.jpg) | Add to Reading ListSource URL: ares.jsc.nasa.govLanguage: English - Date: 2001-02-28 07:17:26
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