 | | Journal (volume) | | with minor hematite on cream dolomite. Florence Mine, Egremont, Cumbria. David Green photograph. BACK...2012 PAPERS Geology and mineralisation at Florence Mine, Egremont, Cumbria Brian Young 3-18 A geochemical...mineral assemblage of the Mendip Hills, Somerset, UK using a stability field model Trevor F. Bridges,...mineral species at the Benallt Manganese Mine, Rhiw, Pen Llŷn, Gwynedd, Wales Tom F. Cotterell 29-40...experience of an underground tour of the Florence Mine in Cumbria. With the closure of Florence, it is |  | | Report (issue) | | BaAl2 Si2 (O; OH)8 ² H2 O Cymrite c 2001 ° Mineral Data Publishing, version 1.2 Crystal Data: Monoclinic...(3) 30.54 25.91 38.97 4.58 100.00 (1) Benallt mine, Wales. (2) Pacheco Pass, California, USA; by electron...cutting hydrothermal manganese silicate ore (Benallt mine, Wales); in a copper-bearing deposit in dolostones...Island, Greece). Association: Ganophyllite (Benallt mine, Wales); calcite, albite, lawsonite (San Benito...Sweden). Distribution: In the Benallt mine, Rhiw, Lleyn Peninsula, Wales. From Lº angban, VÄarmland, Sweden |  | | 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 |  | | Book | | GEOLOGICAL SURVEY Geology of the country around Aberdaron, including Bardsey Island ., f' ., ..... ...for 1 :50 000 geological sheet 133 (England and Wales) This memoir, and the 1:50 000 map that it describes...Environment Research Council and the University of Wales College of Cardiff. The interpretations presented...deposits of head are restricted to the area around Rhiw in the south-east Complex sequences of diamicts...manganese ore. Ordovician INTRUSl\7E ROCKS ABERDARON BAY GROUP undivided or Porth Meudwy Forn1ation |  | Clark, A. M., Smith, D. A., Symes, R. F., Tandy, P. C., Hart, A. D. (1995) Catalogue of Type Mineral Specimens in the Natural History Museum, London - With an appendix listing mineral species and varieties originally described from the British Isles. Natural History Museum, London. | Book | | the description of the species nominates Socrates mine, Sonoma County, California, as the type locality... Aerugite (Neotype) BM 1963,00481 South Terras mine, St-Stephen-in-Brannel, Cornwall, England R.J. Davis...34. Afwillite (Cotype) BM 1925,00080 Dutoitspan mine, Kimberley, South Africa J. Parry and F. E. Wright...277. Agardite (Cotype) BM 1978,00024 Bou Skour mine, Bou Azzer, Jbel Sarho, Morocco J.E. Dietrich, M...199. Apachite (Cotype) BM 1980, 00532 Christmas Mine, Gila Co., Arizona, USA F.P. Cesbron & S.A. Williams |  | | Journal (article/letter/editorial) | | JANUARY_FEBRUARY, 1964 N,{INERALOGICALNOTES CYMRITE IN A COPPERDEPOSIT,BROOKSRANGE, ALASKA DoNar,n...and optical examination shows the presence of cymrite, a rare hydrous barium aluminum silicate(2BaO.2+...Al2q.5 SiOr.3.65HrO) inmanyof thespecimens.The cymrite occurs from near the surface to depths of several...OccunnpNcns Cymrite was originally described by Smith et al. (1949) from the Benallt manganesemine, Rhiw, Carnarvonshire...comes from the Welsh for Wales, Cymru (pronounced Kumry). The Benallt cymrite occursas colorlessplates |  | | Journal (issue) | | UK C TS 2 EDITORIAL COVER.Smalt-blueplumbogummite with minor pyromorphite on vein quartzfrom RoughtonGill...Ballard 39 EPIDOTE-(SR) AND PIEMONTITE-(SR) BENALLT MINE FROM NEWS and EVENTS Peter J. Briscoe David...thos of the Editorial Board. GORCEIXITE FROM BENALLT MINE Tom Cotterell • Richard Tayler 61 Publication...N0952-2409 BOOK REVIEWS 68 PRINTEDBY ADVERTISEMENTS UK Journal of Mines & Minerals No. 33 -1- EDITORIAL...the journal by subscription. We have examined the UK subscription rates and these will remain at £16 for |  | | Report (issue) | | investigations of the manganese deposits of Rhiw, western Llyn, North Wales M J Brown and A D Evans \ BRITISH...investigations of the manganese deposits of Rhiw, western Llyn, North Wales Geochemistry M J Brown, BSc Geophysics...site/galena vein from the Gwynfynydd Gold Mine, near Dolgellau in North Wales This report was prepared for the...investigations of the manganese deposits of Rhiw, western Llyn, North Wales. British Geological Survey Technical...area lv/ynydd Rhiw area Detailed magnetic surveys Tyddyn lvfeirion Nant y Gadwen Mynydd Rhiw 11 13 21 24 |  | | Journal (article/letter/editorial) | | 676 Cymrite, a new barium mineral from the Benallt manganese mine, Rhiw, Carnarvonshire. (With Plate...). MONG the specimens collected at the Benallt manganese mine in ]944 by Dr. A. W. Groves and myself...this mineral with the colour~ CYMRITE, A NEW M I N E R A L FROM WALES 677 less plates from no. 1 ore-body...impurities. The mineral has been named cymrite from the Welsh for Wales, Cymru (pronounced kumry). Chemical...only about 0"2 %. TABL~ I. Chemical analyses of Cymrite. Col. 1, percentage composition of the purer sample |  | | Report (issue) | | technical hi.story and exploration with reference to mine workings in the British Isles are welcomed for inclusion...MRS. H. BIRD PUBLICATION AFTERSALES NORTHERN MINE RESEARCH 41 WINDSOR WALK SOUTH ANSTON SHEFFIELD...SHEFFIELD S31 7EL Tel. No. DINNINGTON © NORTHERN MINE SOCIETY 3229 RESEARCH SOCIETY This volume is copyright...Sheffield S2 5HH, for the Publishers, The Northern Mine Research Society, Sheffield, England. : ISSN...MONOGRAPH DOWN. OF WALES. B.Sc., THE RESEARCH 1980. Ph.D. NORTHERN SOCIETY, MINE O 0308--2199 901450 |  | | Journal (issue) | | fromFrizington, Cumbria,England. Stereomicroscopes The UK ]011malof Mines and Minerals publishes articles of...CIRCULATION, SALES & FINANCE Jean C. Spence SADDLEBACK MINE Peter Briscoe • David McCallum • Paul Nicholson...the Editorial Board. fEITKNECHTITE FROM BENALLT MANGANESE MINE Publication ofinformation on a collecting...0952-2409 Tom Cotterell 49 NORTH DEVON UNITED MINE Mike Rumsey • Mike Savage 53 PIUNTING DY Ratcliff&...Worksop, Notts. S80 2EE CLASSIFIED ADVERTISEMENTS UK Journal of Minos & Minerals No. 29 -1- EDITORIAL |  | | Journal (article/letter/editorial) | | NEW MINERAL NAMES Cymrite W. CeMpsrlr, Surur, F. A. Berqxrstnn AND MAx H. Hrv, Cymrite, a new barium mineral...mineral from the Benallt manganese mine, Rhiw, Carnarvonshire: Mineral. Mog.,28r 676681 (1949). Crrnurclr-...Associatedwith ganophyllite at the Benallt mine. NeuB: From the Welsh name for Wales, Cymru (pronouncedkumry)....orange"). Un sulfure germanifdre provenant de la Mine Prince-Leopold, Kipushi (congo belge): Ann. soc |  | | Journal (volume) | | flat, Admirality Concession Flat, Nentsberry Haggs Mine, Nenthead, Cumbria. Specimen width 60 mm. Trevor...Ddu and Bwlch Mawr, Clynnog-Fawr, Caernarfon, Gwynedd, Wales Tom F. Cotterell and Michael S. Rumsey 17–23...minerals from the manganese mines at Rhiw, Pen Llŷn, Gwynedd, Wales, including the first British occurrences...Kinoshitalite from Bennalt Manganese Mine, Rhiw, Pen Llŷn, Gwynedd, Wales: a first British occurrence Alan...Llancynfelyn, Central Wales John S. Mason 32–35 The mineralogy of Pim Hill Mine, Shropshire, with a |  | | Journal (article/letter/editorial) | | NEW MINERAL NAMES Cymrite W. CeMpsrlr, Surur, F. A. Berqxrstnn AND MAx H. Hrv, Cymrite, a new barium mineral...mineral from the Benallt manganese mine, Rhiw, Carnarvonshire: Mineral. Mog.,28r 676681 (1949). Crrnurclr-...Associatedwith ganophyllite at the Benallt mine. NeuB: From the Welsh name for Wales, Cymru (pronouncedkumry). |  | | Journal (issue) | | jaargang 41 juni 17//196 Nautilus-meerdaagse naar Wales van 5 april tot 9 april 2017. Tom Costes Ja, inderdaad...inderdaad , we zijn nog maar eens naar Wales geweest. Na mijn lezing, het vertellen van de verhalen na...Cotterell, de curator van “The National Museum of Wales”. Het museum herbergt ook de mineralogische collectie...deze te bezoeken en om over onze ervaringen in Wales te praten. Dus in plaats van 500 km op autosnelwegen...via Bwegen naar Llwyngwril op de rand met Noord-Wales. De baan naar Cardiff is een mooie snelweg die een |  | | Journal (volume) | | non-member subscription rates for this volume are: UK £13 (including P&P) and Overseas £15 (including P&P)...included by an unknown black sulphide, from Ladywash Mine, Eyam, Derbyshire. Don Edwards specimen and painting...2019 EDITORIAL 2 5 PAPERS Enargite from Ladywash Mine, Eyam, Derbyshire Steve A. Rust 6 10 Manganite...Barium-rich muscovite and hyalophane from Benallt Mine, Rhiw, Pen Llŷn, Gwynedd Tom F. Cotterell, David I. Green...John Jones from the Hucklow Edge Vein at Ladywash Mine in Derbyshire. His sharp eyes spotted the rare copper |  | | Catalog/List | | Ix! £3 lx2 £6 2x2 £10 34 ■ ANDRADITE Benallt Mine, Lleyn Wales Pale beige fine grained mass with reddish...£10 38 BANALSITE Benallt Mine, Lleyn Wales Rich brown mass with approx 5 % Cymrite .minor matrix.. Type...2x2 £30 Ba Na Al SiO 22 BANNISTERITE Benallt Mine. Lleyn, Wales Dark brown veinlets throughtout calcite/...fairly sparse. Ix½ £7 CuSe 73 ■ BRAUNITE Praboma Mine, St Marcel ,Piedmont, Italy Dark grey massive with...Long wave Jxl £4 442 ■■ CARYOPILITE Bemallt Mine, Lleyn Wales thin felty brown vens in Calcite Mn Mg OHSiO |  | | Catalog/List | | flat calcite-- attractive piece 6x4. Whitesmith Mine Stontian Scotland £25 7 ElJDIAL YTE rich red masses...covering all over the top surface 4x3cm Cassagna Mine, Ne Liguria Italy £ 25 14 STRONTIO-ORTHO JOAQU1N1TE...pinkish micro crystals on Boracite crystals Boulby mine Loftus Yorkshire 3x2cm £18 16 PRICEITE hard white...orange crystal sections on lx2cm surface Molinello Mine, Val Graveglia Italy £8 18 NATIVE COPPER a cleaned...long in Braunite, Piemontite and quartz Praboma Mine, St Marcel ,Aosta Italy 3.5 x3cm £12 25 RHODIZlTE |  | | Report (issue) | | rhodochrosite, rhodonite, rutile, hyalophane, barite, cymrite, taramellite, quartz, zoisite, spessartine, dolomite...Mariposa Co., California. At the Benallt mine, Rhiw, Lleyn Peninsula, Wales. From near Aberfeldy, Scotland...Piggery Creek, Broken Hill, New South Wales, Australia. In the Kaso mine, Totiki Prefecture, Japan. Name: |  | | Journal (article/letter/editorial) | | 52, NOVEMBER_DECEMBER, 1967 AN OCCURRENCEOF CYMRITE IN THE FRANCISCANFORMATION,CAUFORNIA E. J. EssoNn...Calif ornia. heretoforefound only in Wales The mineral cymrite, BaAl2Si2O3.H2O, and Alaska,2was discoveredby...calcite,albite, lawsonite, and more rarely cymrite veins. The cymrite is seenin hand specimen as coarseplatelets...of larnrsoniteand cymrite, and albitized jadeite relicts remain. Veinlets of cymrite-lawsonitemay be found...lawsonite, albite and cymrite show no signs of reaction. Optical properties of the cymrite closely match those |  | | Journal (article/letter/editorial) | | from no. 5 orebody of the Benallt mine, Rhiw, Carnarvonshire, North Wales. This is the specimen on which...chlorite from veinlets in other specimens of the Benallt ore and more X - r a y photographs were taken it...successful but sole Ministry of Supply manganese mine (1940-1946). During his periodic examination of...material in which the new minerals, banalsite, cymrite, pennantite, and now grovesite were discovered |  | | Journal (article/letter/editorial) | | (Viswanathan and Kielhoru, 1983), Benallt mine, near Rhiw, Caernarvonshire, Wales (Spencer, 1942; Smith et aL...deposits such as those at Broken Hill, New South Wales, Australia (Segnit, 1946), the Kipushi deposit,...re-investigation of core drilled at the Merritt Mine property on the Cuyuna North range (Grout and Wolff...North range based on core drilled at the Merritt Mine. The hyalophane occurs in the upper member of the...Mahnomcn Formation (MF) from drill core at the Merritt Mine. Analyses are from this study and from Grout and |  | | Journal (article/letter/editorial) | | 118:314 320 9 Springer-Verlag 1994 L. C. Hsu Cymrite: new occurrence and stability Received: 18 November...Accepted: 8 July 1994 Abstract The rare mineral cymrite, BaA12Si2Os'H20, was discovered in Nevada in a...containing anhedral pyrite crystals up to 1 cm. Cymrite forms rectangular grains ca 40 lam across, distributed...aggregates, instead of a single crystal of cymrite. This cymrite m a y have replaced a pre-existing rectangular... most likely barite. The Nevada occurrence of cymrite prompted a restudy of its stability relations. | | | Catalog/List | | inch area of curious flattened c1ystals Nanisivik ,Mine, Baffin island , North West Territories Canada £25...Specimen mounted on a plastic display base Volcano Mine, Tharis, l-Tuleva, Spain£25 15. MINIUM orange coating...x2 surface. with some minor green Pyromorphite 79 Mine Arizona USA £10 26. SMALTITE dark grey 5 111111...NICCOLITE quite rich mass in small I x2 matrix, la Rose Mine Cobalt Ontario Canada icENCE long wave. RE FLUO...50 % covered with micro orange Garnet Black Rock Mine, Kuruman, South Africa Ix1.5 £7.50 50. DOLOMlTE |  | | Journal (issue) | | and one member suggested that this could be in the UK or EU. COST A location with on-site accommodation...were identified: geological/mining walks, museums (UK or EU) and member's collections. ADDITIONAL COMMENTS...shown what the museum had from the Earl Ferrers' mine in Dimminsdale in North Leicestershire. I was disappointed...Subsequently I met Sir Arthur in the field at Ladywash Mine at Eyam and later had long discussions with him...at other minerals that have been important in the UK and then the important minerals we have to import |
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Benallt Mine, Rhiw, Aberdaron, Gwynedd, Wales, UK