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Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS | |
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Rollstone Hill Quarry, Fitchburg, Worcester Co., Massachusetts, USA Crystal length: 3 mm. P. Cristofono specimen and photo, field collected 2003. |
| © 2004 Peter Cristofono | Photo ID: 20821 View Count: 322 |
Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS | |
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Rollstone Hill Quarry, Fitchburg, Worcester Co., Massachusetts, USA 2.5 mm arsenopyrite crystal in orange iron-oxide stained quartz. Black schorl at top. P. Cristofono specimen and photo. Field collected ca. 2004. |
| © 2008 Peter Cristofono | Photo ID: 21804 View Count: 299 |
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