 | | 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 (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 |  | | 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 |  | | 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 |  | | 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 |  | | 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 (volume) | | non-member subscription rates for this volume are: UK £13 (including P&P) and Overseas £15 (including P&P)...cm) of calcite on fluorite, heavily included by an unknown black sulphide, from Ladywash Mine, Eyam, Derbyshire...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 | | 4 TINZENITE rich, orange mass on quartz Cassagna Mine, Liguria Italy 2 x 2.5cm £7 7 "MOHAWKITE" a burnjshed...surface . good coverage about 1.5mm thick Cassagna Mine, Ne ,Graveglia Valley, Liguria Italy, I collected...reddish hematite areas 6x3.5x2cm Benallt Mine , Rhiw, Llyen North Wales £20 28 OLIVINE "bomb" green olivine...crystalline area of Celsian on one side 6x5cm Benallt Mine Lleyn North wales £18 45 OLENITE/ROSSMANITE , on the...micro crystals on Boracite 3xlcrntop face £17 Boulby Mine, Loftus Yorkshire 53 STRONTJO-ORTHO-JOAQUINITE three |  | | 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) | | 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...of crystals of the new mineral associated with calcite, a few very small patches of baryte, and criss-crossed |  | | 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 | | Ix! £3 lx2 £6 2x2 £10 34 ■ ANDRADITE Benallt Mine, Lleyn Wales Pale beige fine grained mass with reddish...serpentine. Ix! £5 lx2 £10 38 BANALSITE Benallt Mine, Lleyn Wales Rich brown mass with approx 5 % Cymrite...SiO 22 BANNISTERITE Benallt Mine. Lleyn, Wales Dark brown veinlets throughtout calcite/ quartz matrix. Very...colouration in white calcite, fairly sparse. Ix½ £7 CuSe 73 ■ BRAUNITE Praboma Mine, St Marcel ,Piedmont...·------- --- - --- - ---- - ---- --- ---- 101 CALCITE Near Bristol (location details with label) Creamy |  | | Report (issue) | | (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...Greece). Association: Ganophyllite (Benallt mine, Wales); calcite, albite, lawsonite (San Benito Co.,...Sweden). Distribution: In the Benallt mine, Rhiw, Lleyn Peninsula, Wales. From Lº angban, VÄarmland, Sweden...Lianyuan-Shaoyang area, Hunan Province, China. In the Shiramaru mine, Tokyo Prefecture, Japan. At Northwest Nelson, South |  | 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...natrolite, an unidentified Ca–Na zeolite(s), and minor calcite (Fig. 1a, Table 1). Banalsite is associated with...(Liferovich et al. 2006). At the Benallt mine (Rhiw Peninsula, Wales, UK), banalsite occurs in late-forming...carbonate ores. The mineral is associated with calcite, natrolite, tephroite, jacobsite, alleghanyite |  | | Catalog/List | | 1077 ■ ALLOPHANE Hawkswood Mine, Cornwall 220 ■ CLINOSAFFLORITE Capitol Mine. Gowganda, Ontario.Canada...2x3£30 96 ■■ CRYPTOMELANE Moel Llyrnant, Arenig, Gwynedd, Wales Rich black massivt: to botryoidal with some...£3 lx2£6 CurichAdamile 766 ■ DIOPTASE Christmas Mine, Gila County, Arizona ,USA Green elongated micro...lxl£6 CuSi0 .. - - -- -·- 131 ■ DOLOMITE Carrock Mine, Caldbeck Fells, Cumbria FERROAN DOLOMITE, rich...massive lxl £1 lx2 £2 2x2 £5 104 ■ EMMONSITE Bambolla Mine, Moctezuma, Mexico Green crusts on matrix. quite |  | | Report (issue) | | 16.7897(14) Z=4 X-ray Powder Pattern: Benallt mine, Wales; close to stronalsite. 3.53 (100), 5.20 (90)...(2) 36.44 30.92 23.25 9.40 . 100.00 (1) Benallt mine, Wales. (2) Na2BaAl4Si4O16. Polymorphism & Series:...and in lenses in metamorphosed mudstone (Benallt mine, Wales). From altered ultramafic xenoliths in alkaline...enriched in Fe-Mn oxides and carbonates. Association: Calcite, natrolite, tephroite, jacobsite, alleghanyite...biotite, andradite, harmotome, apatite (Benallt mine, Wales); magnetoplumbite, macedonite, roeblingite |  | | 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...SOCIETY NEWSLETTER e.g. the trigonal carbonates, calcite, CaCO 3 and smithsonite, ZnCO 3 • Note: It's interesting...rather than the Sylvite (1832) Group, also the Calcite (1836) Group rather than the Magnesite (1808) Group...why calcite is not included since it has the same chemical formula as aragonite. However calcite is a |  | | Catalog/List | | ----·-·- ---- ·- -- 1129 ALMANDINE Brastad iron Mine near Arendal ,Norway 87 ■ BERYL Evje area . South...ANALCITE Bratthagen, near Larvik South Norway 1086 CALCITE Landsverk, Evje, South Norway Unusual rich yellow...---·-··----·------ ·- - ---27 ANTHOPHYLLITE Kaveltorp Mine Sweden 1008 CHRYSOBERYL Kolsva. Vastmanland Sweden...--~----· ·---·-------- -- -62 COBAL TITE Bolidcn Mine, North Sweden 1003 ARSENIOPLEITE Sjogruvan,Ridd...2x3 £25 Ampibole 1140 ERYTHRITE Sl-a1tterud Cobalt Mine. Vikersund Norway 970 MAGNESIOHASTINGSITE Langban |  | | Catalog/List | | interesting white platy flat calcite-- attractive piece 6x4. Whitesmith Mine Stontian Scotland £25 7 ElJDIAL...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 |  | | Catalog/List | | lx2 £2 lxl£3 2x2£12 lx2£5 lxl £1 ----· Hawkswood Mine, Cornwall ANDALUSITE Cabracao, Minl10, Portugal...Andalucia Spain. Type Location New East Whcal Russell mine, Devon ,England 140 grey bleby small botryoidal..._lx2_ _80 _ _____ _,o 1129 ALMANDINE Braslad iron Mine near Arendal ,Norway Unknown location I 1 63 □a...lxl£2 2x3£6 3x4£8 feldspar ALSTONITE Fallowfield Mine, Northumberland ANDRADITE Grua. Oppland Norway 5...2x3£15 Gamet ½" £3 ALTHAUSITE ANDRADITE Benallt Mine,Lleyn ,Wales Modum, Buskerud,Norway 975 44 Brown-purple |  | | 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 | | | 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...Absolutely microscopic FLUORESCENT blue spots in Mn Calcite. need a ha nd lens to see them. Langban Sweden...NICCOLITE quite rich mass in small I x2 matrix, la Rose Mine Cobalt Ontario Canada icENCE long wave. RE FLUO |  | | Report (issue) | | 100.00 100.00 Chemistry: 70.25 2+ (1) Benallt mine, Wales; corresponds to (Mn 2+ 1:84 Mg0:10 Ca0: 08...gageite, bustamite, manganocalcite, glaucochroite, calcite, banalsite, alleghanyite. Distribution: In the...Sunnyside mine, San Juan Co., Colorado. From Buritirama, Piaui, Brazil. In the Harstigen mine, near Persberg;...and in the SjÄo mine, near Grythyttan, Orebro, Sweden. From the Benallt mine, near Rhiw, Lleyn Peninsula...Peninsula, Gwennyd, Wales. In the Meldon quarry, Okehampton, Devon, and the Treburland mine, Altarnun, Cornwall |  | | Book | | for 1:50 000 Geological Sheet 134 (England and Wales) Biostrettigraphy WT Dean F ~1artin Geochemist...University D ~1cCarroll, BA, PhD University of Wales, Swansect CONTRlBUTORS R £ Bevins, PhD, CGeol JM...naturelles de Belgique, Brussels Printed in the UK for The Stationery Office TJ105026 C6 07/02 V...age: the basic intrusions and acid tuff ofMynydd Rhiw and Sarn 67 Magn1atisrn of Caradoc age 67 Pen-y-chain...basic sills of l\1ynydd Rhiw and Sarn 68 4 Analyses ofrock5 from the ~1ynydd Rhiw Rhyolitic Tuff 70 5 Analyses |  | | Journal (article/letter/editorial) | | described by Smith et al. (1949) from the Benallt manganesemine, Rhiw, Carnarvonshire, Great Britain. The name...name comes from the Welsh for Wales, Cymru (pronounced Kumry). The Benallt cymrite occursas colorlessplates...breccia. Pyrite-filled stylolite and a veinlet of calcite are also present. Small squares equal 0.1 inch...pyrrhotite, dickite, and bementite, Mns(OH)oSirOto(?). Calcite, muscovite and quartz occur as original sedimentary...to the strongestreflectionsof quartz, dolomite, calcite, and siderite. The powder data for cymrite are |
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