Lindsay's Leap, Newcastle, Mourne Mts, Co. Down, Northern Ireland, UK

Two adjacent granite quarries, one disused, one intermittently worked, on the slopes of Slieve Donard, above Newcastle. Irish grid ref. J 372292 (working) and J 374290 (disused). The working one is known locally as Thomas' Mountain Qy. The disused one as Millstone Mountain Qy. Quarrying began at the latter in 1824.

Mineral List:

	Albite

	'Apophyllite'

	Beryl

	Calcite

	Chabazite-Ca

	Chamosite

	Danalite

	Fluorite

	'Gadolinite'

	Heulandite-Ca

	'Mica Group'

	'Monazite'

	Orthoclase

	Quartz var: Smoky Quartz

	Saponite

	Siderophyllite

	Stilbite-Ca

	Topaz

18 entries listed. 13 valid minerals.

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