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Rhodochrosite from
Gwynedd, Wales, UK


Locality type:County
Classification
Species:Rhodochrosite
Formula:MnCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rhodochrosite data
Locality Data:Click here to view Gwynedd, Wales, UK
Data Identifiers
Mindat Occurrence Record ID:985241
Long-form Identifier:1:3:985241:9
GUID (UUID V4):c424d151-e41b-427d-bceb-44ba0795c092
Localities for Rhodochrosite in this Region
Nant Mine, Nant-y-Gadwen, Aberdaron, Gwynedd, Wales, UK
Benallt Mine, Rhiw, Aberdaron, Gwynedd, Wales, UK
Hafotty Mine, Dyffryn Ardudwy, Gwynedd, Wales, UK
High Diffwys, Llanelltyd, Gwynedd, Wales, UK
Llyn du Bach mine, Llanfair, Gwynedd, Wales, UK
References
Reference Search (possible matching items)
Journal (issue)
INDEX UK JOURNAL OF MINES AND MINERALS ISSUES 11 - 20 (1992 - 2000) Michael Wolfe David Green, Julie...Julie Ballard and Richard Bell 2002 UK Journal of Mines and Minerals - index to issues 11 to 20 -1- CONTENTS... our second index, covers issues 11 to 20 of the UK Journal of Mines and Minerals, published between...almost exclusively. Thus Wales is divided into Dyfed, Clwyd, Powys and Gwynedd and Scotland into Highland...confusing suite of counties surrounding Cardiff in Wales, which are simply referred to as Glamorgan. The
Book
A Mineralogy of Wales RfCHARD E. BEYfNS Ocpartmellf o[Geolngy, Nmin11a/Museum of\Valcs, Cardiff AMGUEDDFA...Colliery, Ponh, Mid Glamorgan. National Museum of Wales specimen 48.264.GR 175. ex Cymmer Welfare Library...CE 6 I CES IN WALES 9 30 127 138 6 INTRODUCTION The mineralogy of Wales is diverse. with over...reveal the presence of additional species new to Wales. and perhaps new to the British Isles. It is also...completely new to cience will be discovered in Wales. as techniques for analysing specimens become ever
Journal (article/letter/editorial)
Laval] at 20:02 10 July 2014 Broken Hill, New South Wales, Australia F or mineral collectors introduced...Sterling Hill, New Jersey, and Broken Hill, New South Wales, Australia. The recent discovery of fine gem-quality...both common and rare species such as calcite, rhodochrosite, spessartine, magnetite, willemite, franklinite...occurs in compact masses with kutnohorite, rhodochrosite, quartz, and minor sulfides (Dunn 1976). Rhodonite...specimen from the North mine, Broken Hill, New South Wales, Australia; field of view 8 cm. Canadian Museum
Journal (issue)
core of the collection at the National Museum of Wales in Cardiff. ~ow settled in Tewkesbury and curator...connelJite, a new variety from the Britannia mine, North Wales, and from the Botallack mine, Cornwall. Journal...Antiquarian Society, No.6. 175- J 82. Green, D .. 1986. UK wulfenite. CK Journal vf Mines and Minerals, No.1...are required to form pyrolusite rather than rhodochrosite, or to prevent Mn being incorporated in calcite...geology and mineralogy of Judkins quarry, Warwickshire. UK Journal of Mines and Minerals, No. 10.8-13. King
Journal (volume)
Ddu and Bwlch Mawr, Clynnog-Fawr, Caernarfon, Gwynedd, Wales Tom F. Cotterell and Michael S. Rumsey 17–23...from the manganese mines at Rhiw, Pen Llŷn, Gwynedd, Wales, including the first British occurrences of...from Bennalt Manganese Mine, Rhiw, Pen Llŷn, Gwynedd, Wales: a first British occurrence Alan Dyer, David...a Roman lead smelter near Llancynfelyn, Central Wales John S. Mason 32–35 The mineralogy of Pim Hill...silica-poor alkaline igneous intrusive complex. Moving to Wales, three papers continue the story of manganese mineralisation
Book
provided by: Amgueddfa Cymru (National Museum of Wales, Cardiff); British Geological Survey, Edinburgh...tellurob:smu'Ji::eC!ogau andVigramines,nr Oolgellau, Gwynedd, Wales t!.e'.don ra:::ayqJarry,nr o~eha'Tlp'.:i. ...United Kingdom, including England, Scotland and Wales, arc here referred to as Britain. The offshore teITitorics...but two). but these. along with many others in Wales, were swept awa) with the introduction of administn1tive...followed by Benallt mine. Lleyn Peninsula, Gwynedd, Wales (4). Three localities (one in England and two
Journal (issue)
on an underground SMLS trip to Bwlchglas in Mid-Wales. Excellent contrast in colours and a classic association...Tan-y-Grisiau Station cutting, Ffestiniog, Gwynedd, Wales. Filifonn habit (thin wires). BROOKITE Collected...Collected in 1997 from Maned quarry, Ffestiniog, Gwynedd, Wales. RUTILE Collected in 1996 from Lanterdan...ANATASE Collected in 1998 from Llanfrothen, North Wales (bladed blue habit). ANATASE Swap from the Virtuous... - 7- SMLS Journal No 163 Jan/Feb 2000 RHODOCHROSITE Collected from Allens Shaft (prospect) Geevor
Journal (issue)
fromFrizington, Cumbria,England. Stereomicroscopes The UK ]011malof Mines and Minerals publishes articles of...Worksop, Notts. S80 2EE CLASSIFIED ADVERTISEMENTS UK Journal of Minos & Minerals No. 29 -1- EDITORIAL...immeasurably to your enjoyment of mineralogy. David Green UK Journal of Mines & Minerals No. 29 -2- Frontispiece...century there were no working metal mines left in the UK and there seemed little prospect of any being de...veryfewcrystalline specimens knownfromCononishMine. UK Journal ofMi11c, & Mim·rab Nn. 29 -4- Figure3
Journal (volume)
veinlets in the Cambrian manganese ore bed, Harlech, Wales Tom F. Cotterell, John S. Mason and Allan C. Dean...from around 40 to over 110, including the ‘first UK occurrences’ of a number of minerals, such as fornacite...Manchester University Museum; the National Museum, Wales; Stockholm Museum. 2 Cambridge, Loughborough, Manchester...Track, Allington, Salisbury, Wiltshire SP 4 0DD, UK Michael S. RUMSEY Mineralogy Department, Natural...Natural History Museum, Cromwell Road, London, SW7 5BD, UK Introduction For the past five years we have been
Catalog/List
Lochinver, Scotland 981 BARYfES. Benallt Mine, Lleyn, Wales / MAGNESIOHORNBLENDE, dark green fibrous mass. Info...£7 Al SO/4 OH 34 ■ ANDRADITE Benallt Mine, Lleyn Wales 53 BASALUMINITE Near White Nab, Scarborough,Yorkshire...2x2 £9 2x3 £14 44 ANDRADITE Benallt Mine,Lleyn ,Wales 49 BAYLDONITE Brandy Ghyll, Caldbeck Fells.Cumbria...near Okehampton,Devor 1136 BROOKITE Prenteg, Gwynedd, Wales rich brown crystalline mass Orange brown small...-~nCa_~~-··· - - l- - BANALSITE Benallt Mine, Lleyn, Wales 372 BYfOWNITE Eycott Cumbria ri ch brown mass with
Journal (volume)
Bach Mine, Harlech, Merionethshire, Wales. National Museum of Wales Specimen No. NMW 2013.18G.M.1. BACK...Cambrian manganese ore bed, Harlech, Merionethshire, Wales Tom F. Cotterell 39-51 Franklinphilite in veinlets...Cambrian manganese ore bed, Harlech, Merionethshire, Wales Tom F. Cotterell and Neil Hubbard 51-59 Chernovite-(Y)...blobs’ in Leicestershire, the focus shifts to North Wales with articles on the complex and intriguing mineralogy...earth element bearing mineral chernovite-(Y) in Wales. Volume 16 concludes with an excursion to the Lewisian
Catalog/List
½" £3 ALTHAUSITE ANDRADITE Benallt Mine,Lleyn ,Wales Modum, Buskerud,Norway 975 44 Brown-purple areas...Wyoming ,U.S.A 14 ALUMINITE Benallt Mine, Lleyn Wales Pale beige fine grained mass with reddish bands...�u BANALSITE lmichil Morocco Benallt Mine, Llcyn Wales 38 84 ■ APATITE Rich brown mass with approx 5 %...£30 8mm £4 APATITE BANALSITE Benallt Mine, Lleyn, Wales 32 1-lolmbush Mine, Kelly Bray , Cornwall I rich...xl £6 APATITE BANNISTERITE Benallt Mine. Lleyn ,Wales Palabora Mine, Tranvaal, South Africa 1 092 22 pure
Journal (issue)
collection contains numerous excellent pieces from the UK and abroad. On one occasion he was invited to exhibit...on from the successful event last November, the Wales & West Branch, in conjunction with the Cheltenham...Museum will give a talk on new mineral finds in the UK as well as, hopefully, setting up a display related...microscope. Tom Cotterell from the National Museum of Wales, Cardiff will tell us about the Countess of Powis'...Lynda Garfield will explain some of the work the Wales & West Branch members have undertaken recently to
Journal (issue)
Morgon • R.E. Starkey 7 DIARY OF EVENTS 8 The UK Joumol of illines mul 1J,,fi11erols publishes articles...Society organised its first field meeting to mid-Wales and the first British Microm~unt Society Symposium...identification of many new collecting sites throughout the UK, new finds from old localities, minerals new to Britain...the leading topographical mineralogy groups in the UK. Any society is about people, the members who help...Ogmore Vale, Mid Glamorgan. National Museum of Wales Collection (83.426.M20), Cardiff. Figure 3. CALEDONITE
Journal (issue)
UK TS 2 EDITORIAL 2 BUXTON COVER:A superbgreenfluoritetwin25 mmon edge from the Heights Mine, Westgate...Piddcollection. MUSEUM Ros Westwood 6 MINERAL NEWS 11 The UK ]011mal ef Mines a11dMinerals publishes articles...UKJounul of Mines & Mincr:ils No '7 -l- EDITORIAL he UK]oumal efMi11es& Mi11eralsis now in its twenty second...which at least eight have makers or retailers marks. UK Journal of Mines & Minerals No. 27 -2- Frontispiece...The imageis a combination of six digitalphotos. UK Journal of Mines & Minerals No. 27 -3- However
Journal (issue)
................. . Chart topping rocks: Top 100 UK "Geosites" named ............................ Mineral...aims the recording of new and interesting items of UK topographic mineralogy. If you think your group may...Weekend") which will be hosted this year by the Wales & West Branch at Coleford in Gloucestershire from...comfort. The amount of water blowing around over the UK is vanishingly small compared to the amounts of water...might be some which are of interest to you. The Wales and West Branch are still in the early stages of
Journal (issue)
would be suffering hunger pangs). A native of South Wales, Gwyn's interest in minerals led him to make a series...Brittany and elsewhere. He was a founder member of the Wales and West Bran ch, formed at Cowbridge (S.Glamorgan)...years. He held the post of Field Secretary for Wales and West from 1990 through to 1999, and had an intimate...intimate knowledge of the quarries of South Wales, building up excellent working relationships with the...- MARCH 2008 RUSSELL SO CIETY N EW SLE1TER WALES AN D W EST BRANCH NEW S C Colin Humphrey, Lembick
Book
the Black Cat imprint Little, Brown and Company (UK) Limited Brettenham House Lancaster Place London...Pribram, Czechoslovakia; Broken Hill, New South Wales; Chanarcillo, Atacama, Chile; and in the states...Wallaroo, South Australia and Broken Hill, New South Wales. Found in sandstone at Corocoro, Bolivia, and at...found in Rhodesia, Egypt and Ghana. Also found in Wales and sparingly in some other parts of Great Britain;...important deposits in North Queens¬ land and New South Wales. Some bismuth occurs in Devon and Cornwall, California
Journal (article/letter/editorial)
Penwithr cornwall, associated with quartz and rhodochrosite. He j u s t i f i e d the allhcatlon of a new...Nant manganesemine, Rhiw, Caernarvonshire (now Gwynedd). BM 89836. Stratmpoite. Pajsberg, Filipstad, Sweden...given by M29 Table I I I . the (C03)2- ion in rhodochrosite. carbonate absorption. Results of thermal treatment...350 lOOO diffuse (neotocite) pyroxmangite + rhodochrosite rhodochrositm braunite 2i.58 5 unheated l~...possibly results from the decomposition of rhodochrosite previously mentionedl An X-ray powder photograph
Book
Collecting started in Southern England, Cornwall and Wales, and gradually extended to the Lake District and...other local mineral clubs as well as the national UK mineral societies: the British Micromount Society...addition, members would visit many Mineral Shows in the UK, particularly the Oxford, Bakewell and Haywards Heath...growing on galena (10 x 8 mm) Senghenydd Pit, South Wales. Photo: John Hall -3- ...roles, but all involving more excursions to various UK and foreign locations. During some project work in
Book
20:355-362 ALASKA Famous mineral localities: Prince of Wales Island, Alaska (by P. B. Leavens & R. W. Thomssen)...Pseudomalachite from [the West Bogan mine, New South Wales,] Australia (by D. H. McColl) 9:295 Malachite pseudomorphs...mineral localities: the Kingsgate mines. New South Wales, Australia (by B. M. England) 16:265-289 Calcioferrite...zeolites and associated mine.rals from New South Wales [Australia] (by B. M. England & F. L. Sutherland)...(by A. Pring) 19:407416 Broken Hill, New South Wales [Australia]: a brief re,,jew (by W. E. Wilson) 19:417-424
Journal (issue)
Gorceixite from the Bena/It mine, Pen llyn, Gwynedd, Wales. UKJMM No 33, pp 59-60, 2012), some cut and...such flat including several very attractive rhodochrosite specimens and some lustrous garnets. Several...until 1986. His contribution was outstanding. Our UK field trips have been one of our highlights and these...Wanlockhead (the first occurrence of this mineral in the UK); · • re-discovering Sgurr nam Boe in the Isle of..."The Ha'wards" was the premier mineral show in the UK · and he congratulated us on the comaraderie within
Journal (issue)
CATALOGUE GENEROUS TRADES AND COLLECTION PURCHASES UK Journal of Mines and Minerals IssueNo3 SUMMER1987...No. Editorial 2 Micro-Minerals from Bontddu Gwynedd 3 D. A. SaichandS. Rust CIRCULATION The Worlds...SUBSCRIPTIONS are payable in local currency, or direct to the UK in Sterling. Barite from Silverwood Colliery ARTICLES...SUMMER 1987 Micro Minerals from a trial level in Wales Grid Ref:- SH 657194 By: D. A. Saich 'Peacehaven'...second recorded occurrence of chalcophyllite in Wales. DESCRIPTION OF MINERALS ARAGONITE CaCO3 Occurs
Journal (issue)
............................................. Wales & West 9 ............................................................... North West iVorthern Wales & West I Southern Russell Society Field Meetings...Campus of the University College of Wales Newport. Our friends in the Wales and West Branch have got together...Steven Mulley South West Branch:Christopher Sharp Wales & West Branch:Rhiannon Cottrell; Edward Penfold...website - just follow the links. Or contact the Wales and West secretary - Lynda Garfield, lyndagarfield@tesco
Journal (volume)
non-member subscription rates for this volume are: UK £13 (including P&P) and Overseas £15 (including P&P)...mineralisation of Snowdonia and the Llŷn Peninsula, North Wales John S. Mason 93–105 Andradite-bearing skarn-like...suspected palaeogene dyke from Coed y Brenin, North Wales John S. Mason, Martin Liezers and Tom F. Cotterell...emphasise the geological context of mineralisation in Wales, in two articles, one of which includes a note on...25 and parts of 13, 24, 26, 31, 32 (England and Wales), volume 1, Tyne to Stainmore, second edition. HMSO
 
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