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| Description | |
|---|---|
| Quality of samples: | not specified / average specimens |
| Confirmation | |
| Validity: | Believed Valid |
| References | |
| References: | Frondel, C. (1958), Systematic mineralogy of uranium and thorium, USGS Bull. 1064: 123. |
| Data | |
| Mineral Data: | Click here to view Petrified Wood data |
| Locality Data: | Click here to view Monument No. 2 Mine, Monument No. 2 channel, Monument Valley, Navajo Indian Reservation, Apache Co., Arizona, USA |
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