| Description |
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| Type Locality: | Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA is the type locality for Robertsite |
| Quality of samples: | not specified / average specimens |
| Confirmation |
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| Validity: | Believed Valid |
| References |
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| References: | Moore, P. B. (1974) American Mineralogist: 59: 48-60. |
| Data |
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| Mineral Data: | Click here to view Robertsite data |
| Locality Data: | Click here to view Tip Top Mine (Tip Top pegmatite), Fourmile, Custer District, Custer Co., South Dakota, USA |
| Photo Gallery | View Gallery (12 photos) |