| Description |
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| Comments: | crystals found in in cavities and fissurs in the contact zone between narrow pegmatite dikes. |
| Colour: | reddish brown,semi translucent |
| Quality of samples: | not specified / average specimens |
| Confirmation |
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| Validity: | Believed Valid |
| References |
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| References: | Langhof, J., Jonson, E, Gustafsson, L. & Otter, B. (1998): Utö- en klassisk svensk mineralfyndort. Bergverksmuseets Skrift 14, 29-31 |
| Data |
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| Mineral Data: | Click here to view Cassiterite data |
| Locality Data: | Click here to view Utö Mines, Utö, Södermanland, Sweden |