| | Description | |
| Comments: | Found as radioactive 1-3 cm nodules and 3-10 mm crystals at quartz-blocky microcline contacts and in orange clay-filled pockets near these zones. | | Habit: | Massive, Tetragonal Bipyramidal | | Colour: | gray, black | | UV Fluorescence: | None | | Quality of samples: | Good crystals or rich for species - important (!) | | Confirmation | |
| Validity: | Confirmed | | Confirmation Methods: | SEM-EDS
| | References | |
| References: | Self-collected by Franklin Roberts | | Data | |
| Mineral Data: | Click here to view Xenotime-(Yb) data | | Locality Data: | Click here to view Undisclosed pegmatite locality, Burnet Co., Texas, USA |
|
