 | | Journal (issue) | | copper mineral assemblages at Botaliack, St Just. Cornwall R.J. Bowell 45 The composition of stolzite...Millward 64 Cuprosklodowskite from Geevor mine, Cornwall N.J. Elton, J.J. Hooper and L. Coggon 66 ...SUPERGENE COPPER MINERAL ASSEMBLAGES AT BOTALLACK, ST JUST, CORNWALL R.l. BOWELL Department of Mineralogy...chlorides and sulpha tes in an underground level of Botallack mine. Krohnkite is present and this is believed...assemblages observed in material from the mine tailings around Bota llack mine and Wheal Cock. The supergene mineral |  | | Journal (article/letter/editorial) | | 1992, VOL 56, PP. 123-126 Gold from Botallack mine, St. Just, Cornwall DURING a recent examination of oxidized...oxidized samples from cliff exposures near Botallack mine (SX 362340) gold was observed in hand specimen...found in mineralised lodes elsewhere in southwest England (Russell, 1944; Clark and Criddle, 1982; Clayton...b) this is the first reported occurrence in the St. Just mining district, although both native silver and...district (C. J. Stanley, pers. comm.). The BotaUack mine is well known for the occurrence of an extensive |  | | Book | | Collectors Guide to ^MINERALS, ROCKS and GEMSTONES \in Cornwall and Devon |'; '’i '■-■ ,, t Cedric Rogers...Collector’s Guide to MINERALS, ROCKS AND GEMSTONES in Cornwall and Devon Cedric Rogers i D. BRADFORD BARTON...Truro LTD MINERALISED ILPMACOMar AREAS of CORNWALL & DEVON Main. Concentrations of mints. (has... ’’fe, -'A Sr A6Nfl^ fe'Pk :. g,TRURO <4 J -St AUS FELL S’ LAND'S EHdG HOUMTSS. HEL5TOW PENZANCEJH...Cleavage and Fracture 8 8 9 10 11 GEMSTONES OF CORNWALL Quartz Gemstones 12 13 GRANITE AND OTHER ROCKS |  | | Book | | A HANDBOOK TO THE MINERALOGY CORNWALL AND DEVON TRUR : PRINTED BY HEARD AND SONS, BOSCAWEN...BOSCAWEN STREET. HANDBOOK MINERALOGY OF CORNWALL AND DEVON, WITH INSTRUCTIONS FOE THEIR DISCRIMINATION...THE MINERS' ASSOCIATION OF CORNWALL AND DEVON; SECRETARY TO THE KOYAL CORNWALL POLYTECHNIC SOCIETY; OF THE...KOYAL GEOLOGICAL SOCIETY OF CORNWALL, AND OF THE ROYAL INSTITUTION OF CORNWALL, &C., &C. ASSOCIATE TRURO:...F.R.S., THB ELECTRICITY OF MINERAL LODES IN CORNWALL, AND OF MANY CORNISH MINERALS, (WHOSE OBSERVATIONS |  | | Journal (article/letter/editorial) | | Reichenbachite from Cornwall and Portugal R. S. W. BRAITHWAITE Chemistry Department, University of Manchester...Manchester, M60 1QD, UK AND G. RYBACK 42, Bell Road, Sittingbourne, Kent, ME10 4EB, UK Abstract Infrared...labelled 'pseudomalachite' from Cornwall, in particular from Old Gunnislake mine, are of reichenbachite, thus...identified with pseudomalachite from Miguel Vacas mine, Vila Vigosa, Evora, Portugal. Identification of...pseudomalachite, ludjibaite, infrared spectroscopy, Cornwall, Portugal. Introduction PSEUDOMALACHITE (Hausmann |  | | Journal (article/letter/editorial) | | RYBACK 42 Bell Road, Sittingbourne, Kent ME10 4EB, England AND PETER C . T A N D Y Department of Mineralogy...British Museum (Natural History), London SW7 5BD, England T n E supplementary lists of British Isles minerals...has improved recently. The classic minerals of Cornwall and Devon are splendidly described by Embrey and...known from the British Isles, and 580 or so from England. Of these latter, about 116 are listed here as...on minerals collected by A. de Hailer at Tynagh mine, Ireland, unpublished except in newsletters (Bulletins |  | | Book | | by Alison Hodge, 2 Clarence Place, Penzance, Cornwall TRI8 2QA, www.alison-hodge.co.uk, info@alison-hodge...Cornish minerals. Thanks also to Michael Merry of Cornwall Devon Mineral Specimens (www. cornwalldevonmineralspecimens...taken by him of the botallackite in situ, Wherry Mine pump column and wolframite outcrop. Two private...botallackite, Levant The image of the opal from St Austell is credited to Greenside Minerals (www.greensideminerals...Sara Chambers, Collections Manager, the Royal Cornwall Museum, Truro (www.royalcorn- wallmuseum.org |  | | Catalog/List | | Apatite (Var: Francolite). Geevor Mine, Pendeen, West Cornwall. An altered Chloritic matrix with overforming...e/Native Bismuth. Penlee Quarry, Newlyn, West Cornwall. A hilly and sculpted Chloritic matrix indurated...Lode West 420 fm level, South Croft Mine, Pool, Central Cornwall. An interesting and rare Cornish phenomena...05. * Axinite. Carn Vellan near Botallack, St Just, West Cornwall. Large, sharp, terminated clove-brown...ra/Pyrnmnrphito/ramccitp Penberthy Crofts Mine, St. Hilary, West Cornwall. A vuggy completely encrusted matrix |  | | Journal (issue) | | J. Dunn Washington, DC Peter G. Embrey London, England Richard C. Erd U.S. Geological Survey Menlo Park...TETRAHEDRITE, 15 cm, from the Herodsfoot mine, Liskeard, Cornwall, England. Collection of the Natural History...See the article in this issue on the minerals of Cornwall. Copyright 1993 © by the Mineraiogicai Record...of your hand for singlehanded operation, weighs just over a pound, and runs on six AA batteries. The...Pendeen West Cornwall, England Forcenturies, the copper and tin mines in Cornwall County, England, have proved |  | | Catalog/List | | Tellurium down one side small 2x3 inch (Bambolla Mine, Moctezuma, Mexico) £25 BERYL translucent colourless...CHALCANTHITE rich blue mass on lx2 matrix (Majuba Mine, Nevada USA) £6 STRONTIANITE yellowish. strongely...crystalline areas in white Barytes. (Whitesmith mine, Strontian, Argyllshire, Scotland) lxl £5 lx2 £10...5mm brown crystals over 2x4 inch surface hardshell Mine, Santa Cruz County Arizona USA £ I 2 GYPSUM variety...chalcocite) on matrix with dark grey Pyargyrite Uchuchaqua Mine, Peru £ 10 b) with 3mm crystal on lxl inch £5 FLUORITE |  | | Catalog/List | | Drakewalls House, Drakewalls, Gunnislake, Cornwall, England. Tel.No.: Gunnislake 832381 (STD (022) V.A...azurite/chalcocite matrix. 2x2x1-t", £4.5Op 4. AZURITE. Tynagh Mine, Co. Galway, Eire. Select cellular mass of bright...minor limonite in places. ~2-tX1t", £11.00 5. BARYTES. Mt. Wellington Mine, Twelvehead~, Cornwall, Specimen...that were f~und last century in the Ale & Cakes mine in Gwennap; barytes is a rare mineral in the Cornish...specimens •. 11. 8ISMUTHINITE. George & Charlotte Mine, nr. Tavistock, Devon. Silvery-grey needly crystals |  | | Catalog/List | | BARSTOW 26, Tregeseal, St. Just, Near Penzance, Cornwall, England. TEL.NO.: st. Just 788880 (STD 0736) ...across the axis. £5.50. 3. APATITE. Botallack Head, St. Just, Cornwall. Lustrous, creamy, well formed hexagonal...Limonitic matrix. 2x2xlt" .£2.75. ARGENTITE. Valenciana Mine, Guana,;uato, Me~ico,. Fine, bright, silvery grey... 12. 13. 14. 15. 16. 17. AURICHALCITE. 79 Mine Gila Co., Arizona, U.S.A. Select turquoise blue...places. etx 2lx2 w• £6.50. AXINITE. Botallack, 5t. Just, Cornwall~ 5harp, lustrous, clove brown crystals |  | LeBoutillier, N.G., Camm, G.S., Shail, R.K., Bromley, A.V., Jewson, C., Hoppe, N. (2002) Tourmaline-quartz-cassiterite mineralization of the Land’s End Granite at Nanjizal, west Cornwall. Geoscience in South-West England, 10 (3) Ussher Society. | Journal (article/letter/editorial) | | south-west England TOURMALINE-QUARTZ-CASSITERITE MINERALIZATION GRANITE AT NANJIZAL, WEST CORNWALL OF THE...End Granite at Nanjizal, west Cornwall. Geoscience in south-west England, 10, 312-318. Nanjizal is one...orientation to cassiterite-bearing veins within the St. Just Mining District further north. It is possible...was contemporaneous with mineralization in the St. Just Mining District and hence related to a later magmatic...dominated by steeply dipping WNW-NNW striking quartz-limonite-chalcedony veins that are associated with wall |  | | Catalog/List | | S-c. J:lS"t, Penzance, Cormlall, England • ------_. -.- ~"Just V.A.T.No.: 132-7852-67 OIi.DEl\ING...Ferritungsti e, lxl". £1. 50. .P1I.TITE. Carrock Mine, Caldbeck, Cumberland. Pale sea-green and creamy...assoclatlon. 32x22x12' £11. --hURIClbL-:;ITE. Char..Kounhi Mine, Iran. Light turquoise. blue attractive bladed crystal...cellular Quartz veinstuff with minor brovmish Limonite. 3x2~-". £6.50, liZU!i.ITE. Crov/l Creek, N.S...~+ ~ attached. 3-~x2". £4.50. ChLCITE. Tynebottom Mine, Garrigill, Cumberland. Translucent, v/ell formed |  | | Catalog/List | | TOI'i 26, Trege0eal. St. Just, . Near enzance, Corm-Jall, England. TE:E..NO. : St. Just 380 (STD 073 677)...encrusting Limonite. 2xl-~". £2·.50. ALCn'-E. Dene Quarry, St. Keverne, Lizard, Cornwall. A bright, snOH...Gllbertite in association. lxlxt". £5.50. APhTITE. st. Gotthard, Ti~ino, Switzerland. Lustrous, transparent...crystals in parallel growth, with minor attached Limonite and a faint dusting of red He~atitc on one side...£7.75. BARYTES.. le ond Cakes line, G.·/emlap, Cornwall. Lustr:ms, translucent, slightly zo~,. &reyish |  | | Catalog/List | | RICHARD W. BARSTOW 26, Tregeseal, st. Just, Near Penzance, Cornwall, England. ORDER ING INFOhMA.TION Mail...at all times. AUGUST 1974 1. 2. AEGIRINE. Mont st. Hilaire, Quebec, Canada. Numerous, lustra us black...Fluorite in association. 3x3'1. £5.40. 4. APATITE. st. Gotthard, Switzerland. Lustrous, semi-transparent...lustrous £1.08. Itxl~". /. -2- BORNITE. Dolcoath Mine, ~mborne, ~orn\~ll. Very rich, irridescently tarnished... 10. BOURNONITE. Herodsfoot Mlne, Lanreath, Cornwall. Specimen A Bright, metallic grey, twinned crystals |  | | Report (issue) | | earlier arsenic-bearing species; may be deposited from mine and spring waters. Association: Haidingerite, pharmacolite...scorodite, erythrite, melanterite, gypsum, alunite, “limonite”. Distribution: In Germany, from Freiberg, Schneeberg...Johanngeorgenstadt, and other districts in Saxony; at St. Andreasberg, Harz Mountains. From Jáchymov (Joachimsthal)...Republic. In England, in Cornwall, at Wheal Sparnon, Redruth; the Penberthy Croft mine, St. Hilary; the...the Botallack mine, St. Just; the Dolcoath mine, Camborne, Cornwall. In the USA, in the Tintic district | | | Book | | Designed by BDP - Book D evelo ion,/ enzance, Cornwall o part of this 'Nork may be pho ocop:ed, stored...r_0 'f_'--"t S:r•a!e. or S age of the opal from St Austell is cred1te o Greenside Minerals (www.greenside... Geology and Mine ralization 14 The D istricts 24 24 29 West Penwith: St Just to St Ives Mount's...Por1htowan to Perranpor1h The Lizard: Mullion to Manaccan St Auste ll: Ladock to Lostwithiel Wadebridge: Padstow...Linkinhorne East Cornwall : Callington t o Calstock 36 40 45 50 56 61 66 70 74 Rocks of Cornwall 78 Precious |  | | Catalog/List | | will be exhibiting at six shows in 1995, viz London, St. Albans, Keele University, Oxford, Harrogate and...is fluorescent. MUS,L85. 2. ADAMITE. Kameriza Mine,Laurium,Attica,Greece. Goethite fragment vith aggregates...SC,L6. 3, AGARDITE(CALCIAN).Penberthy Crofts Mine,St Hilary,Cornvall ■ Tvo specimens. Specimen A-boxed...xtls and thin crusts. SC,L8. ~- AGARDITE-Y. Clara Mine,Rankachtal,BLack Forest,Germany. 3 boxed specimens...deeper blue. SC,L9. 6. ALSTONITE. Brownley Hill Mine,Nenthead,Cumbria. Six specimens. Specimen A-matrix |  | | Catalog/List | | W. BARSTOW 26, Tregeseal, st. Just, Near Penzance, Cornwall, England. ORDER ING INFORMnTION Mail orders...2~xli-". £4.50. 1. N.~TIVE 2. :,P"TITE. Carrock Mine, Caldbeck, Cumberland. Large cloudy sea-green crystals...light. 3x2t". £2. 3. "POPHYLLITE. Levant Mine, Pendeen, Cornwall. t" modifie; creamy grey crystals intergrown...crystaline mass. 3x2~". £4. 6. AZURITE. Titlg-Tang Mine, Glvennap, Cormmll. Specimen rlSmall sharp bright...2~xli". £3.50. 7. hZURITE. Carharrack Mine, Gwennap, Cornwall. Specimen h Bright blue platy crystal mass |  | | Catalog/List | | will be exhibiting at six shows in 1995, viz London, St. Albans, Keele University, Oxford, Harrogate and...clear,tabular MIN,118. 10. ANNABERGITE.Kamareza Mine,Laurium,Greece.Dr HG Weller label. Quartz fragment...prismatic xtls.MIN,111. 11. ANTIHONITE. Wheal Boys,St with silvery grey,massive 12. ANTIHONITE. Ichinokawa...APATITE VAR FRANCOLITE. Simms Lode,Geevor Mine,Trewellard,Cornwall. Choice,very rich specimen. Ferruginous...LC,t.20. 15. APATITE. Goonbarrow China Clay Pit,St Austell,Cornwa11. Granite fragment with upper surface |  | | Report (issue) | | internal structure; nearly cryptocrystalline in “limonite”. Physical Properties: Cleavage: {010}, perfect;...X-ray Powder Pattern: Hindlow quarry, Derbyshire, England. 4.183 (100), 2.450 (50), 2.693 (35), 1.7192 (20)...Restormel mine, Lanlivery; the Botallack mine, St. Just; and elsewhere in Cornwall, England. From Chaillac...Superior district, as at the Jackson mine, Negaunee, and the Superior mine, Marquette, Marquette Co., Michigan |  | | Journal (article/letter/editorial) | | Cronstedtite; from Wheal Maudlin, Llanlivery, L-JL Cornwall. A specimen in the British Museum, consisting... mostly but not entirely converted into black limonite, and the encrusting substance consists mainly...recorded. 5. Chalcopyrite after Calcite; from Cornwall. A compact mass of chalcopyritc with rough surface...after Bismuthite; from Fowey Consols mine, St. Blazey, Cornwall, In this specimen the prisms of bismuthite...Herodsfoot mine, Liskeard, Cornwall. See No. 18. 8. Chalybite after Bismuthite; St. Blazey, Cornwall. from |  | | Report (volume) | | : : The history of 1nining for copper-ore in Cornwall and J)evon goes back no doubt to a remote period...has been made to describe every mine ,vhich has yielded copper in Cornwall and Devon. In order to bring...information up to date Mr. Dewey has visite.d everv active mine and rnanv of those recentlv abandoned • • • or of...historic importance. Our thanks are due to t,he present mine managers for their courtesy and assistance. :Full...been made of the published accounts of mining in Cornwall and Devon, and reference to the principal sources |  | | Catalog/List | | Drakewalls House, Drakewalls, Gunnislake, Cornwall, England. Tel.No.: Gunnislake 832381 (STD (022) V~A...variety FRA~COLITE. Wheal Pendarves, Camborne, Cornwall. Rich sparkling crl,lsts of micro crystals covering...ARSfNOPYRITE. Himgston Down, near callington, Cornwall. Specimen A: 8right silvery sharp crystals to...rix. 1,!x1-?;x1", £4. SOp; Dean Qry., Lizard, Cornwall. Lustrous snow-white sharp crystals and crystal...47X3x1t", £9.00 ~ 10. AXINITE. Botallack ,. st. Just, Cornwall. Lust rous clove-brown sharp crystals |
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