 | | Journal (volume) | | dolomite. Florence Mine, Egremont, Cumbria. David Green photograph. BACK COVER: Paracelsian. Crystal aggregate...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) | | Paracelsian BaAl2 Si2 O8 c 2001 ° Mineral Data Publishing, ver sion 1.2 Crystal Data: Monoclinic,... c = 8.577{8.578 X-ray Powder Pattern: Benallt mine, Wales. 4.00 (100), 3.80 (70), 2.99 (50), 2.73 (50)...Total 99.92 100.00 Chemistry: 40.83 (1) Benallt mine, Wales. (2) BaAl 2 Si 2 O8 : Polymorphism & Series:...manganese deposit (Benallt mine, Wales). Association: Celsian (Benallt mine, Wales). Distribution: From...d'Ossola, Piedmont, Italy. In the Benallt mine, Rhiw, Lleyn Peninsula, Wales. Name: A combination of the |  | | Journal (article/letter/editorial) | | Vol. XXVI Barium-felspars (celsian and paracelsian) from Wales. B y L. J. SPENCER, C.B.E., M.A., Sc.B...of barium-felspars was made in the Benallt manganese mine near Rhiw in the Lleyn peninsula of Carnarvonshire...petrography b y Dr. A. W. Woodland. 4 F r o m the same mine came fine crystals of natrolite, which have been...typical felspar (adularia) habit. The other, paracelsian, is pseudo-orthorhombie and is the more interesting...occurrence of the barium-felspar celsian in north Wales. Nature, London, 1911, vol. 86, p. 180. 2 H. Dewey |  | | 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) | | Dcalc. 3.05 g/cm3 for banalsite from Wales (Benallt mine, UK), and a 8.5068(16), b 9.9811(18), c 16...la banalsite provenant du Pays de Galles (mine Benallt, UK), et a 8.5068(16), b 9.9811(18), c 16.7485(31)...localities; the type locality in Wales (Benallt mine, Rhiw, Lleyn Peninsula, UK) and from Långban, (Värmland...banalsite occurrences in Mnrich ores from the Benallt mine (Wales, UK) and the crystal structures of stronalsite...(type-locality occurrence at Benallt mine, Wales, Rhiw, Lleyn Peninsula, UK), (d) banalsite in an alkaline |  | | Journal (article/letter/editorial) | | X X V I I Banalsite, a new barium-felspar from Wales. By W. CA.~fPRELLSMITH, M.C., T.D., M.A., Sc.D....Ministry of Supply, took over the old Benallt manganese mine at Rhiw in the Lleyn Peninsula, Carnarvonshire...Carnarvonshire. A new shaft was sunk and a new mine was developed among and mainly below the old workings. It was...was in one of the old workings of Benallt that Mr. (now Sir) Arthur Russell discovered in 1911 the well-crystallized...well-crystallized specimens of celsian and paracelsian recently described by Dr. L. J. Spencer) Dr. A |  | | 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 |  | Liferovich, R. P., Mitchell, R. H., Zozulya, D. R., Shpachenko, A. K. (2006) Paragenesis and composition of banalsite, stronalsite, and their solid solution in nepheline syenite and ultramafic alkaline rocks. The Canadian Mineralogist, 44 (4) 929-942 doi:10.2113/gscanmin.44.4.929 | Journal (article/letter/editorial) | | for banalsite and stronalsite from the Benallt mine, in Wales, UK, Långban, in Sweden, and Khibina, in...données pour la banalsite et la stronalsite de la mine Benallt, au Pays de Galles, Långban, en Suède, et à ...(Liferovich et al. 2006). At the Benallt mine (Rhiw Peninsula, Wales, UK), banalsite occurs in late-forming...veinlets, and are intergrown with celsian (or paracelsian?) and barite (Fig. 1b). In contrast to the bulk...manganiferous carbonate ores, Benallt mine, Rhiw Peninsula, Wales, UK. c. Stronalsite in an altered xenolith |  | | Report (issue) | | Polymorphism & Series: Mineral Group: Dimorphous with paracelsian; forms a series with orthoclase. Feldspar group...Association: Manganoan aegirine, manganoan biotite, paracelsian, jacobsite, hausmannite, rhodochrosite, rhodonite...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) | | Kindersley), 1994. 160 pp. Price s ISBN 0-7513-1026-3. Wales has provided ten new mineral species and, of the...in the British Isles, sixtyseven have been from Wales. No further justification is needed for this latest...an introductory chapter outlining the geology of Wales and the background to Welsh mineral occurrences...accompanying details for some of the species for which Wales is famous: anglesite from Anglesey, lustrous crystals...both Clwyd and Gwynedd, acicular millerite from ironstone nodules in the South Wales Coalfield, and both |  | | 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 |  | | Journal (article/letter/editorial) | | orthorhombic form on cooling through 300oC. Paracelsian appears to be a metastable phase, and changes...forms of BaAlzSizOsare recognized. Celsian and paracelsian, both monoclinic, are known as natural minerals...hexacelsian have been proposed. The relations of paracelsian to the other three polymorphs have received scant...this study included natural paracelsian from the Benallt mine, Rhiw, Wales, synthetic hexacelsian,synthetic...the little-studied problem of the stability of paracelsian. Table 2 incorporates results typical of these |  | | Journal (article/letter/editorial) | | Cymrite, a new barium mineral from the Benallt manganese mine, Rhiw, Carnarvonshire. (With Plate XXXV.)...). MONG the specimens collected at the Benallt manganese mine in ]944 by Dr. A. W. Groves and myself...the colour~ CYMRITE, A NEW M I N E R A L FROM WALES 677 less plates from no. 1 ore-body, but when...mineral has been named cymrite from the Welsh for Wales, Cymru (pronounced kumry). Chemical a~2alysis (M...1"5418 A. These values CYMRITE, A NEW MINERAL ~ROM WALES 679 together with the specific gravity and chemical |  | | 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 |  | | Journal (article/letter/editorial) | | Kindersley), 1994. 160 pp. Price s ISBN 0-7513-1026-3. Wales has provided ten new mineral species and, of the...in the British Isles, sixtyseven have been from Wales. No further justification is needed for this latest...an introductory chapter outlining the geology of Wales and the background to Welsh mineral occurrences...accompanying details for some of the species for which Wales is famous: anglesite from Anglesey, lustrous crystals...both Clwyd and Gwynedd, acicular millerite from ironstone nodules in the South Wales Coalfield, and both |  | | Journal (issue) | | Blue Chisel Point Baryte Blades from Force Crag Mine, Cumbria: .......................... . 14 - 15...now have the prospect of a world-class tungsten mine being developed atHemerdon in Devon, a full-scale...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 |  | | Catalog/List | | quartz crystals 3x3cm Bwlch I Glas Mine, Tal-y-Bont Ceredigion Wales £6 I 19 NIFONTOVITE glassy crystal...1cm long and 3 mm across on very small matrix Fuka Mine, Okayama Japan £ 15 -20 - TANXALITE-obv:iousblac~...creamy white cleavable like a feldspar 6x3cm £25 Fuka Mine,m Okayama Prefecture Japan , (photo left) 23B) smaller...MANGANAXINITE obvious brown mass in 3x2 Casagna Mine, Graveglia Valley Liguria Italy £ 10 L...~~--------1...CHRYSOCOLLA, blue botryoidal on 6x4 Star of the Congo Mine. Lubumbashi, Katanga DR Congo £18 31 AMBYGLONITE |  | | Journal (article/letter/editorial) | | Cryst. (1953). 6, 613 The Crystal Structure of Paracelsian, BaA12Si2Os BY J. V. S ~ T ~ Geophysical Laboratory...September 1952 and in revised form 16 January 1953) Paracelsian, BaA12Si~Os, is isostructural with danburite...measurements A preliminary investigation of paracelsian is described in a short note by Smith (1952)...full optical and morphological description of paracelsian, BaA12Si2Os; Davis & T u t t l e (1952) of this...group of CaA12Si20s by Davis & Tuttle and of paracelsian by Smith disproved this hypothesis; comparison |  | | Catalog/List | | roughly half covering 3x2 surface Penberthy Croft Mine, St Hilary, Cornwall reference specimen £10 11 BAYLDONITE...micro crystals on one edge. La Finosa Mine (Fontana Rossa Mine) Corte, Corsica France £7 15 LAZULITE...MANGANAXINITE obvious brown mass in 3x2 Casagna Mine, Graveglia Valley Liguria Italy £10 2 2 -=- ...CHRYSOCOLLA, blue botryoidal on 6x4 Star of the Congo Mine. Lubumbashi, Katanga DR Congo £18 45 TIRAGALLOITE...area 8mm across on matrix lx2cm matrix Varenche Mine Aosta Italy £10 65 CALCITE after IKAITE intergrown |  | | 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 (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...subscriptions and advertising. BARITE FROM BARRAS END MINE Peter Briscoe 15 DIGITAL MICRO-PHOTOGRAPHY David...FINANCE Jean C. Spence CESAflOLITE FROM EAGLEBROOK MINE Tom Cotterell 39 NEWS and EVENTS Mick Wolfe Richard...Richard Bell WURTZITE FROM LOCKRIDGE MINE Ben Grguric • Ernest Nickel 41 DESIGN Julie Ballard COPPER |  | | Journal (issue) | | and Mark Oddy South West Branch: Nick Richards Wales & West Branch: Derian and Georgina Jenkins, and...(litters Mine, Cornwall. In March 2000, whilst on a mineral collecting trip to Gunnislake Clitters Mine, Cornwall...valley on the Devon side in Bedford United mines, a mine no more than a mile away, but have been unable to...mineral collecting and resource conservation in the UK. If we are to find a mutually acceptable way forward...mineral collecting and resource conservation in the UK. ,. ' / 1 1 J ( · Don't delay, register today |  | | Journal (issue) | | 2213195 Nautilus Info jaargang 41 oktober 16//29 Wales 2016 Tom Costes Zoals aangekondigd op de lezingen...reis is de clan Costes-Verschuren wederom naar Wales getrokken voor meer mineralogische avonturen. De...MiddenWales. De Pb-Zn-Cu afzettingen van centrum Wales hebben we al grondig bezocht in 2014 én 2015. Zelfs...avontuur van de Bwlch Glas Mine kon ons niet meer overtuigen en we kozen voor Noord-Wales. Deze keuze was snel...naar Welshpool te rijden om zo vlug mogelijk in Wales te geraken en zo door te steken naar een stadje |  | | Catalog/List | | x i £5 Rich wh ite crusts on matrix. Rawhide Mine, Moh ave County, ½ x ½ Arizona, U.S.A £3 Kragero...Bastnas Mine Sweden Jx2 £6 2 x2 £1.20 2x2 £1 2 Ix ! £4 l x2 £8 New East Wheal Russell mine, Devon...2x3 £25 l x l £3 San Jose Mine, Oruro, Bolivia Benallt Mine,Lleyn ,Wales l x2 £1.5 0 6x6mm £3 Ix !...to faint ly blue masses Broken Hill, New South Wales,Australia Staffordshire Engl and lx2 S0p 2x2 £... Rich fawn sheaves in silvery schist Kaveltorp Mine Sweden Jx2 £ I l.x2 £2.5 0 l x2 £1.20 2x2 £2 |  | | Book | | Castle, Tickow Lane Lead Mine, Earl Ferrers' Lead Mine, Mancetter Manganese Mine, the Great North Museum...was started, the first being at Penberthy Croft Mine (2021). A real testament to the success of the Russell...the original excavation of the Tickow Lane Lead Mine was one of these projects (see the 'Society Projects...Cornish collectors along with Colin Sparrow and the Wales & West Branch, also in 1986, by Bob King who had...access to a small lead deposit (Tickow Lane Lead Mine), and extensive investigations and a feasibility |
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Benallt Mine, Rhiw, Aberdaron, Gwynedd, Wales, UK