 | | Report (issue) | | (Mn2+ ; Ca)3 Si3 O9 Bustamite c 2001 ° Mineral Data Publishing, version 1.2 Crystal Data: Triclinic...Cornwall, and in the Railroad quarry, Meldon, near Okehampton, Devon, England. At Camas Malag, Isle of Skye...References: (1) Larsen, E.S. and E.V. Shannon (1922) Bustamite from Franklin Furnace, New Jersey. Amer. Mineral...Determination and re¯nement of the crystal structure of bustamite, CaMnSi2 O6 : Zeits. Krist., 117, 331{343. (4)...Nagashima, T. Watanabe, and K. Momoi (1974) High-iron bustamite and °uorapatite from the Broken Hill mine, New |  | Edmons, E. A., Wright, J. E., Beer, K. E., Hawkes, J. R., Williams, M., Freshney, E. C., Fenning, P. J. (1968) Geology of the Country around Okehampton (Explanation of One-inch Geological Sheet 324, New Series) Memoirs of the Geological Survey. Institute of Geological Sciences | Report (issue) | | SURVEY OF GREAT BRITAIN ENGLAND AND WALES Geology of the Country around OKEHAMPTON ( Explanation of One-inch...Beche. His 'Report on the Geology of Cornwall, Devon, and West Somerset' (1839) was the first memoir of the...other early Geological Survey maps of south-west England, are undated, but it is believed that they were...(1956), 'The Metalliferous Mining Region of South-West England'. The district formed part of the area in which...geophysical methods. In 1962 the newly formed South-West England field unit, successively under Dr. F. B. A. |  | | Catalog/List | | some with Arsenopyrite (Bedford Consols Mine, Devon England) The size varies from lxl to lx2 ins. Pieces...County, Utah, USA) lem C319 BUSTAMITE excellent rich near Okehampton, Devon) lxl 60p lx2 fl.20 C320 CALAVERITE...stock, 2x2 f.2.50 vughs 4.80 in mass. (Meldon B.R Quarry collected same years ago 2X4· f.5.00 small...2.50 coverage Mine, small crystals of brown Devon) copper coloured mm size spots on Quartz parts...of exposed veins on Microgranite. (Hingsten Dawn Quarry, Cornwall) f.4 2x2 f7 metallic (Pyrite like) No |  | | Journal (article/letter/editorial) | | 991 Rhodonite from Meldon, Okehampton, Devonshire By W. R. DEARMAN Department of Geology, University...in Lower Carboniferous rocks in the Railway Quarry at Meldon. One of these is zoned outwards from rhodonite...Measures (Lower Carboniferous) in the Meldon Railway Quarry near Okehampton, but it is not clear from the description...these was encountered in the 950 South Bay of the quarry (Dearman, 1959) in 1951 and had been quarried through...occurrence of rhodonite with rhodochrosite and bustamite in the basal bed of the Calcareous Group of the |  | | Journal (article/letter/editorial) | | Upper Culm Measures THE IGNEOUS ROCKS (a) The Meldon District (b) The Petertavy District 4. THE STRUCTURE...Unit The Petertavy Unit The Lydford Unit . The Meldon Unit . Structural Interpretation (f) The Breccia-Fault...established within the country rocks bordering the north-west corner of the Dartmoor granite mass. Upper Devonian...two to three miles wide, which borders the north-west comer of the Dartmoor granite mass in Devonshire...from South Tawton on the north to Tavistock on the west of the granite (Fig. 1). Sedgwick & Murchison (1840) |  | | Report (issue) | | franklinite, rhodonite, jacobsite, diopside, gageite, bustamite, manganocalcite, glaucochroite, calcite, banalsite...In the Meldon quarry, Okehampton, Devon, and the Treburland mine, Altarnun, Cornwall, England. At Val |  | | Catalog/List | | HAUSMANNITE (Kombat f3.5O C267 BUSTAMITE excellent rich brown near Okehampton Devon) This is lxl 6Op lx2 fl...(Ramsley Mine lxl fl.5O lx2 f3 of glassy micros Devon) 2x2 f6 C27O CHALCOPYRITE good crystals Also Quartz...mineral has only been found in The Mendips. (Merehead Quarry Mendips Somerset) f3.50 C273 COLORADOITE Mine...metallic Colorado U.S.A) lx single each 2 9 (Meldon B.R.Quarry some years ago. 2x4 f5 on matrix. ...areas in matrix XRD) A W matrix (Bessie Tyube Quarry on Basalt.(Island "B" - C278 GOETHITE really |  | | Catalog/List | | 1600 hours each day at 7, Condor Way, Burgess Hill, West Sussex Tel: 01444 233958 (Pre-view on Saturday March... £1 A3 A3 £1 £3 A3 A3 A3 A3 £1 £1 £1 £1.50 West Caradon Cornwall Wheal Jane, Cornwall Greystones...(Cook) Herodsfoot Cornwall Bournonite Bedford Mine Devon Arsenoovrite Colorado USA Enaraite Minas Gerais...Xtl & Wheal Busy Chlorite (Fisher) Belstone Qy, Devon Arsenopyrite & Garnet Colarado, USA Covellite &...Plymouth Maerdv Coal Tios, S. Wales Walkam Unted Mine, Devon Siberia A? A7 A8 A8 A8 A8 A8 £3 £2 £2 £1 £1 £1 |  | | Catalog/List | | FLUORESCENT ½ x ½ ins rock Fluorescent green Al SiO Devon England Large brown well formed dodecahedral Madagascar...hard white sphere shaped nodule. Newhaven Sussex, England lxlins S0p ALUMINITE Al SO/4 ALUMINOTSCHERMAKITE...- - - AMAZONITE Pure green cleavage Landsverlc quarry, Evje, Norway lxl S0p ALAMOSITE fcLp 10 g:...PbAgSbS lx2 S0p 2x2 £1 2x3 £I .SO Staffordshire England Rich white to faintly blue masses ANHYDRITE CaSO...with Chrysotile, pale grey-green County Bridge Quarry,Lizard ,Cornwall MgFeSiO massive. Minas Gerias |  | | Catalog/List | | Spinel crystals from madgascar.Mottramite from England .Cut and polished Labradorite.Tacharanite and Tobermorite...ingots on a ship wreck in 1885 St Ives. Cornwall. England Rich fine grained black crystalline mass Mount...501 A x A ins rock Fluorescent green Al SiO Devon England FLUORESCENT Large brown well formed dodecahedral..._______ Ba Ca 00/3__________ Newhaven Sussex, England lxlins50p 1x2 £1 Pure hard white sphere shaped...Arizona Pure green cleavage AMAZONITE Landsverk quarry, Evje, Norway Ixl 50p lx2£l 11 felspar group____________ |  | | Journal (article/letter/editorial) | | 1980 The Miscibility Gap Between Rhodonite and Bustamite Along the Join MnSiO3--Cao.60Mno.40SiO3 J. Abrecht*...Abstract. The miscibility gap between rhodonite and bustamite has been experimentally determined at temperatures...structure is stabilized by high pressures whereas bustamite by high temperatures. Based on available experimental...CaSiO3-MnSiO3-FeSiO3-MgSiO 3 pyroxmangite, rhodonite, bustamite, wollastonite, and johannsenite cover a wide compositional...Detailed studies on the gap between rhodonite and bustamite are presented in this paper. Similar miscibility |  | | Catalog/List | | rful , 18 miles NNW of St I cm £6 Ives. Cornwall. England No location details !cm £4 Colo urless to yellow...Ix ! £4 l x2 £8 New East Wheal Russell mine, Devon ,Eng land Madagascar ½ x½ £2.50 lins£4 I x½ £4...near Creston . Wyoming ,U.S. A Newhaven Sussex, England l x l £3 l x2 £5 While crystals well covering...paper available. Rich grey crystalline mass. Saga Quarry, Tvedalen near Larv ik, Norway Ix I £1.50 Ix I...Chrysotile. pale grey-green mass ive. County Bri dge Quarry,Lizard ,Cornwall Jx I £ I I x2 £2 Loch Scridain |  | | Catalog/List | | CO/3 OH blue micro crystals on rock. (Greystones Quarry,Lezant,Cornwall) £2.00 lx H £3.50 2 076 CALEDONITE...Quartz with micro spots of Native Copper. (Kingston Quarry,Cornwall) 1x1 £2 553 TETRAHEDERITE (Cu Fe) Sb S...cleavages with cerussite and or Pyrolusite (Merehead Quarry, Mendips,Somerset) H x B £2 269 MENDIPITE Pb/3...CORKITE Pb Fe PO/4 SO/4 This is a rare mineral for England, deep yellow radiations in goethite (Iron Crag...metallic fibrous on' 2cm white dolomite. ' (Lengenbach Quarry,Binn Valley Switzerland) £4.50 163 GALENA Lead |  | | Catalog/List | | EOCKS AHD MINERALS Ho U available. NEW STOCK Devon and Cornwall pages 8 S 3 : ALLOPHANE, ARTHURITE...Cu Al AsO SO/4 small green plates in and on rock (West Caradon Mine,Cornwall) » x H £4 510 CHALCOCITE copper...Quartz with micro spots of Native Copper. (Kingston Quarry,Cornwall) 1x1 £2 - 553 TETRAHEDERITE (Cu ?e) ;'L...cleavages with cerussite and or Pyrolusite (Merehead Quarry, Mendips,Somerset) 54 x 54 £2 269 MENDIPITE Pb/3...CORKITE Pb Fe PO/4 SO/4 This is a rare mineral for England, deep yellow radiations in goethite (Iron Crag |  | | Report (edition) | | British Regional Geology I * South-West England r * FOURTH EDITION e ■ - O ” ..y 1835 Geological...British Geological Survey Front cover: Bull Point, Devon (For full explanation see p. ix) NATURAL ENVIRONMENT...and Mr. G. Bisson (District Geologist, South-West England), as well as Professor W. R. Dearman and the...advances in our knowledge of the geology of south-west England. Most of the great expanse of Carboniferous...as oil companies turn their attention to the seas west of Britain, so attention is increasingly focused |  | | Journal (article/letter/editorial) | | other are the only manganese deposits in the west of England which are known to lie on the contact of igneous...mentioned in his List of minerals found in Cornwall and Devon, with notes supplementary to the author's 'Handbook'...as at Meldon in Devonshire. The hard silicate manganese ore consisting of rhodonite, bustamite, and tephroite...origin or alteration products. In some of the west of England deposits which have not been subjected to metamorphism...Geological Survey on the fact that many of the west of England manganese deposits have intrusions of greenstone |  | | Report (edition) | | GEOLOGICAL SCIENCES British Regional Geology South-West England (TH [RD EDITION) By E. A. Edmonds, M.Sc. M...world war, interest in the geology of south-west England has further inten ified. Much valuable work...done, and in 1962 the newly l"ormcd outh-we t England field unit of the Geological Survey began ix-inch...Mr. G. Bisson (District Geologi t. South-We t England, editor). Private workers whose publications have...the countryside and natural history of south-west England. An EXHIBIT illustrating the geology and scenery |  | | Catalog/List | | Tregeseal, st. Just, Near Penzance, Cornwall, England. CRDERING INFOF\MATION Ma il order s ar e promptly...matrix. 2xlt 'l • £3. 12. BAUMHAUERITE. Lengenbach Quarry, Binnental, Switzerland. Rich, metallic grey masses...gossan. 2xlt". £2. 18. BUSTAMITE. B.R. Quarry, Meldon, Nr. Okehampton, Devon. Fine, pure, divergent light...Galena. Classic old sample. 3tx3tll £5. Bigrigg, West Cumberland. dn excellent, perfect, terminated, complex...variety 'KIDiEY ORE'. Beckermet Mine, Egremont, West Cumberland. a fine botryoidal mass of good shape | | | Report (edition) | | British Geological Survey Front cover: Bull Point, Devon (For full explanation see p. ix) •• ll On 1...Mr. G .. Bisson (District Geologist, South--West England), as well as Professor W. R. Dearman and the...advances in our knowledge of the geology of south-west England. Most of the great expanse of Carbonif�rous...as oil companies turn their attention to the seas west of Britain, so attention is increasingly focused...age-determinations of rocks of south-west . . . . . . . Facing England 1 112 List of Geological Survey |  | | Catalog/List | | No. Byways, 20 Burstcad Close, Cobham, Surrey, England KTll 2NL EMAIL 2007 104 Phone 01932 862340 ...THAUSITE Modum, Buskerud,Norway 59 BOEHMITE Saga Quarry, Tvedalen, Norway Brown-purple mass in matrix Creamy...--· - . . - - ------ -·-··-·-· ---·7 ANNITE Saga Quarry, Tvedalen near Larvik, Norway 696 CHROME DIOPSIDE...lx2 £15 lxl £4 lx2 £8 2x2 £16 126 DIASPORE Saga Quarry, Tvedalen. Norway 1060 KORNERUPINE Bjordammcn,...lxl 90p lx2 £1.80 2x2 £4 Mica 295 NATROLITE Saga Quarry, Tvedalen, Norway Orange to red in feldspar.(Hydrothcrmal |  | | Catalog/List | | I Byways, 20 Burstead Close, Cobham, Surrey, England KTll 2NL Phone 01932 862340 EMAIL richard.tayler@minerals...£5 -------------------------933 ANATASE Hingston Quarry,Comwall Black micro crystals in crystalline feldspar...501 ALLOPHANE New East Wheal Russell mine, Devon ,England grey bleby small botryoidal with possible Brochantite..._--~(~OI_~·-·· · -·- ·· ···ALUMINITE Newhaven Sussex, England Pure hard white sphere shaped nodule. Ixlins80p..._ _P_b_so_,_4____ 23 ANHYDRITE Staffordshire England Rich while to faintly,bluemasses lx2~0p ________ |  | | Catalog/List | | _1_0_0_ Byways, 20 Burstead Close, Cobham, Surrey, England KTll 2NL EMAIL ·_-2_0_0_6__, -· Phone 01932...Lochinver, Scotland 12 ALUMINITE Newhaven Sussex, England / MAGNESIOHORNBLENDE, dark green fibrous mass....------------6 ALBITE Kragero Norway 933 ANATASE Hingston Quarry,Comwall Black micro crystals in crystalline feldspar...501 ALLOPHANE New East Whcal Russell mine, Devon ,England variety VIRIDINE (Mangan rich variety) Olive... £4 lx2 £6 Ca SO/4 23 ANHYDRITE Staffordshire England Rich white to faintly blue masses lx2 80p 2x2 £1 |  | | Catalog/List | | AGARDITE (Ce) r ...fe green micro's Mine, Wolf;_n, West Germany) 'h ins f.3. 60 6 ALBITE rich orange red...in green Omphacite. An attractive Eclogite rock.(West Coast of Norway) lx2 90p 2x2 ll,80 2x4 t3.70 218...sphere shaped botryoidal nodule,(Newhaven Sussex. England) 1" -10p 2"90p 3" !1.40 4" !3,30 13 ALUNITE pure... /' pale blue-gny ~;ssi\·c. (Staffordshire England) :::-::1 !:;1 2x4 tt.20 2;-;2 60µ e2S ANTARCTICITE...Grey-white crystals with terminations.(Sheppey Kent,England) lxl cm !1.80 43 BARYTES orange brownto fawn attractively |  | | Journal (article/letter/editorial) | | ilmenite, 141 ANGEL, R. J., wollastonite and bustamite, 37 ANGUS, M. J., see McCULLOCH,C. E., 211 ANGUS...FOORD,E. E., 729 BULGARIA,Narechen, pekoite, 135 Bustamite, structural study, 37 Bytownite, in basaltic glass...magmas, 129 Crystal structure, wollastonite and bustamite, 37; botallackite, 87; junitoite, 91 CUFF, C....composition, 387; smectite/illite conversion, 393; S W England, in Variscan complex, 3 6 5 ; Spain, transition...G., 583 EMBREY,P. G., obituary of M. H. Hey, 1 ENGLAND,southern, Jurassic and Cretaceous sediments, 255; |  | | Journal (article/letter/editorial) | | distinguish from pyroxmangite [Mn(Mn,Fe)6(Si7O21)] and bustamite [(Mn,Ca)3Si3O9], minerals with which it is commonly...franklinite, alleghanyite, tephroite, galaxite, bustamite, pyroxmangite, and sulfides such as galena and...reported in placers on Quartzite (Quartz) Creek west of Old Hogem, along Snowy Creek near the road to...Europe. It is well known from the Meldon quarry, Okehampton, Devon; and is reported from several mines... Atway, Greystone Wood, and Treburland mines, England. Rhodonite is a gangue mineral in the Benallt and |
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Meldon Quarry, Okehampton Hamlets, West Devon, Devon, England, UK