Harmotome from Pen-y-Clun Mine, Llanidloes,
Dyfed, Wales
Doug Morgan
Roy E. Starkey
The occurrence of the rare barium zeolite harmotome at Pen-y-Clun Mine
is thought to be only the third locality for the mineral in Wales.
The Geology and Mineralogy of Judkins
Quarry Warwickshire
Frank Ince
Roy E. Starkey
Jim Wooldridge
In addition to the rare British species mottramite and vanadinite, Judkins
Quarry also yields some interesting and extraordinary forms of lead and
copper sulphides.
Chalcopyrite: tarnished replacements
of acicular chalcopyrite to 10 mm. Roy Starkey specimen. Photo: Mick Cooper.
The Minerals of Milltown Quarry,
Ashover Derbyshire
Steven A. Rust
Milltown Quarry is the type locality for sweetite and ashoverite - two
of the four known naturally occurring polymorphs of zinc hydroxide, all
four of which occur here.
Litharge pseudomorphs to 1.5 mm. Photo: Mick Cooper.
Micromineral from Ireland
Part 1: the South-West (Munster)
Stephen Moreton
The Republic of Ireland has a richly varied geology, is well endowed with
mineral resources, and has been a source of fine mineral specimens for
two centuries or more.
Chalcomenite: Ballybunnion, Co. Kerry. Largest spray
is ca. 0.5 mm across. Collected by R. Barstow. George Ryeback specimen.
Photo: Mick Cooper.
28th Mineral and Fossils Show
Sainte-Marie-aux-Mines 1991
Mick Cooper
David Green
Simon Howell
Held each year on the first weekend in July, France's premier mineral
show, at Ste-Marie-aux-Mines in the Voges Mountains of Alsace, is Europe's
most cosmopolitan mineralogical event.
Rhodochrosite: 22 mm. Chacao, Peru.
Barras Gauthier Minéraux. Photo: Mick Cooper
The Re-discovery of Sgurr Nam Boc Isle of Skye,
Scotland
John and Pam Pearce
Re-discovery of one of Heddle's zeolite sites at Sgurr nam Boc confirmed
that, although access to the site is difficult, high quality specimens
are still available.
Stilbite 40 mm. Photo: John Hall
Mineralization at Hendre Quarry,
Glyn Ceiriog, Clwyd, Wales
Roy E. Starkey
Neil Hubbard
Mike P. Bayley
Hendre quarry was first visited by the authors in 1984 in search of pectolite
and apophyllite, following a lead from a museum specimen. This search
was unsuccessful, but instead yielded and interesting suite of minerals
including anatase, apatite, brookite, rutile, monazite-(Ce) and xenotime-(Y).
Anatase: sceptre crystal 1.5 mm long. Neil Hubbard
specimen. Photo: Mick Cooper.
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