Mineral assemblage on host rock, Aberdaunant.  (CWO)

Mineral assemblage on host rock, Aberdaunant. (CWO)

Aberdaunant mine, Central Wales Orefield. A deposition of different minerals on two faces of host rock. Fine crystals of quartz, botryoidal haematite, and a very small amount of galena. This type of specimen is not uncommon at Aberdaunant mine.