Letter Mine, Letter, Mizen Peninsula, Cork County, Munster, Ireland
Small group (1.5mm) of chrysocolla and malachite on oxidized copper ore. Adjacent quartz crystals contain inclusions of a metallic mineral, possibly haematite.
© Dr Richard Unitt
3mm spray of vivid blue langite crystallised along a cleavage plane in micaceous sandstone.
Grey-white bladed baryte associated with minor quartz and haematite. Specimen measures 81x68x46mm.
Groups of disc-like and bladed crystals of brochantite on limonite stained sandstone. FOV approximately 3mm. Collected 22nd of January, 2011.
Quartz prisms to 1cm, some doubly terminated, from 'alpine-type' vein.
Small (0.5mm) complex langite crystal in quartz vein containing highly oxidized copper ore.
Fenced off ?collapses at Letter mine. Photo taken 22-1-11.
© Barry Flannery
Panorama of Letter mine. Photo taken 22-1-11.
Blocked up adit at Letter mine. Photo taken 22-1-11.
View of the substantial spoil heaps at Letter mine. Photo taken 22-1-11.
Plan of the accessible workings in July 2008 water painted by Paddy O'Sullivan.
© Paddy O'Sullivan
View of Col. Hall's shaft (left) and possible collapse or open pit to the right. Photo taken 22-1-11.