Petrology: Coal Collection
List group items:
- Quartzite, Mid Glamorgan , NMW 31.185.GR.1
- Quartzite, Mid Glamorgan , NMW 52.176.GR.2
- Quartzite, Pontllanfraith , NMW 78.50G.R.86
- Quartzite, Pontllanfraith , NMW 78.50G.R.88
- Quartzite, Pontllanfraith , NMW 78.50G.R.93
- Quartzite, Pontllanfraith , NMW 78.50G.R.99
- Quartzite, Pontllanfraith , NMW 78.50G.R.101
- Quartzite, Pontllanfraith , NMW 78.50G.R.141
- Quartzite, Pontllanfraith , NMW 78.50G.R.142