| Collection | ABDUG University of Aberdeen, Geological Collections |
| Object Name | Dolomite |
| Object Number | ABDUG Rock.2670 |
| Brief Description | Serpentinized, tranversed by Pegmatite dyke; S |
| Place Key | Zwartsfontein, 16 miles from Potgietersrust, Transvaal, Africa |
| Aquisition Date | 01/01/1939 |