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Opal from
Hingston Down Quarry, Gunnislake, Calstock, Cornwall, England, UK


Locality type:Quarry
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Chalcopyrite3 photos of Opal associated with Chalcopyrite at this locality.
Fluorite3 photos of Opal associated with Fluorite at this locality.
Muscovite3 photos of Opal associated with Muscovite at this locality.
Schorl2 photos of Opal associated with Schorl at this locality.
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Hingston Down Quarry, Gunnislake, Calstock, Cornwall, England, UK
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:493390
Long-form Identifier:1:3:493390:8
GUID (UUID V4):16e829a9-e8e7-466f-b05a-8a4676b46399
Nearest other occurrences of Opal
19.1km (11.9 miles) Lee Moor China Clay Pit, Shaugh Prior, South Hams, Devon, England, UK
20.1km (12.5 miles) Wheal Katherine, Dartmoor Forest, West Devon, Devon, England, UK
24.5km (15.2 miles) Hooten Wheals (Hexworthy Mine), Hexworthy, Dartmoor Forest, West Devon, Devon, England, UK
31.7km (19.7 miles) Belstone Consols (Mid-Devon Copper Mine), Belstone, West Devon, Devon, England, UK
32.7km (20.3 miles) Restormel Royal Iron Mine (Trinity Mine), Lostwithiel, Cornwall, England, UK
33.8km (21.0 miles) Wheal Maudlin (Wheal Mawdlin; Wheal Magdalen), Lostwithiel, Cornwall, England, UK
37.9km (23.6 miles) Lady Rashleigh Consols, Prideaux, Luxulyan (Luxullian), Cornwall, England, UK
42.0km (26.1 miles) Carclaze Old Tin Pit, Carclaze China Clay Pit (Baal China Clay Pit), Carludon, Treverbyn, Cornwall, England, UK
42.2km (26.2 miles) Rock Hill China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK
42.4km (26.3 miles) Goonbarrow China Clay Pit, Bugle, Treverbyn, Cornwall, England, UK
References
Reference Search (possible matching items)
Book
Endsleigh House 50 Daniell Road Truro, Cornwall TR1 2DA England Printed in Great Britain by Short Run...that he knew of no place on earth that surpassed Cornwall in the number and variety of its minerals. Hogg's...is subtitled 'in wich [sic] is shown how much Cornwall contributes to the illustration of the science'...later by Collins' A Handbook to the Mineralogy of Cornwall and Devon' (1871; 1892 with addenda, the latter...mention Purser's 'Minerals and locations in S.W. England' (1974). The work was never published, although
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...Connelite and botallackite, Levant The image of the opal from St Austell is credited to Greenside Minerals...Sara Chambers, Collections Manager, the Royal Cornwall Museum, Truro (www.royalcorn- wallmuseum.org...Landreath to Linkinhorne East Cornwall: Callington to Calstock Rocks of Cornwall Precious Metals and Semi-precious
Journal (issue)
INDEX UK JOURNAL OF MINES AND MINERALS ISSUES 11 - 20 (1992 - 2000) Michael Wolfe David Green, Julie...Julie Ballard and Richard Bell 2002 UK Journal of Mines and Minerals - index to issues 11 to 20 -1- CONTENTS... our second index, covers issues 11 to 20 of the UK Journal of Mines and Minerals, published between...index is freely available as an RTF download from the UK Journal of Mines and Minerals website. NOTES, issue...ISSN 0952-2409 UK Journal of Mines and Minerals - index to issues 11 to 20 -2- AUTHORS UK Journal of Mines
Book
permission of the author. Printed and bound in the UK by: BookPrintingUK Remus House, Coltsfoot Drive,...Acknowledgements 350 Frontispiece: David Lloyd laddering down a shaft at Bedford United Mine, Devon. Introduction...Minerals and became regular exhibitors at many of the UK mineral shows over the following years. We also visited...We collected together for many years, both in the UK and on the continent. I also helped Ian out later... I helped out at all of the mineral shows in the UK and on the continent, and later with the Bruce &
Book
Designed by BDP - Book D evelo ion,/ enzance, Cornwall o part of this 'Nork may be pho ocop:ed, stored...::. G / r_0 'f_'--"t S:r•a!e. or S age of the opal from St Austell is cred1te o Greenside Minerals...Linkinhorne East Cornwall : Callington t o Calstock 36 40 45 50 56 61 66 70 74 Rocks of Cornwall 78 Precious...physical properties of minerals (pages I I 0- 1 I). Cornwall, for its size, has one of the most diverse ranges...1n museum collections such as hose of the Royal Cornwall Museum in Truro and the aural His ory Museum
Catalog/List
- --q.,_u_artz _ _ _ _ _ _ _ _ ___::H_i_l_?fY Cornwall __________ _ _ _ _ __ _________ AGRELLITE Excellent...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
Catalog/List
50 Daniell Rd, Truro, Cornwall TRI 2 DA England Tel. 01872 223 227 (Tel. UK Time 8am -9pm) Fax. 01872...greyish green matrix.RF SPC. C.£15 0014 XONOTLITE.Bin Quarry,Hunlley,Aberdeen,Scolland Radiating off while lo...1ourmaline.R1ch RF SPC. C.£8 0027 CHALCEDONY.Pentee Quarry,Newlyn,Cornwall.Pretty botryoidal encrustations...D SPC. C.£8 0028 CHLORITE after AXINITE,Aplile Quarry,Meldon,Devon.Unusual pseudomorphs of earthy brown...x1Is.Unusual RF SPC. C £10 0029 WAVELLITE,Highdown Quarry,Filleigh.Devon.Classic wavellite with radiating
Catalog/List
NICK CARRUTH Copse Cottage Drakewalls Gunnislake Cornwall PL18 9EH Tel/Fax: Tavistock (01822) 832530...2006 1) ADULARIA. Ogo Dour, Predannick, Lizard, Cornwall. Nice group of salmon pink xls to 1mm covering...AMETHYST. Park Clay Pit, St Neot, Bodmin Moor, Cornwall. A nice clean group of amethystine xls to 5mm...3) ARSENOLITE. Levant Arsenic Works, Pendeen, Cornwall. Flue product. A group of spiky grey xls to 4mm...60x40y,5nirn. 4) BARITE. Wheal Drea, St Just, Cornwall. Pinkish buff radiating masses in a cavity in
Catalog/List
oARSTDW Drakewalls House , Drakewalls , Gunnislake, Cornwall , England. TEL.NO. : Tavistock 832381 (STD 0822)...2x1-h<1t;-" , £13 .50p 5. ARSENOPYRITE. Hingston Down , Calstock , Cornwall. Sha rp bright silvery crystals to...do 11 . ooTALLACKITE. Levant Mine , Pendeen , Cornwall. Small bright green well formed cryst als scattered...14. CASS ITERITE . Wheal Vottle , St. Agnes , Cornwall . oright brownish - black sharp crys tals to 5.... CASS IT ERITE . Wheal owles , ' St . Just,. Cornwall. A quantity of reddish- brown gr anules in an
Book
Twelveheads Press PO Box 59, Chacewater Truro, Cornwall TR4 8Z}. especially true of its minerals, some...rocks lie at the bottom of a sequence, but in Cornwall this becomes far from simple where rocks have...(metamorphism) of existing rocks. The land wl ‘ch is now Cornwall has seen periods of uplift and sinking beneath...It was during the latter that deposits were laid down, later to form the shales, slates and sandstones...conditions changed too, for the land that is now Cornwall was once close to the Equator before the action
Journal (article/letter/editorial)
plagionite, hcteromorphite, 442. British Isles ENGLAND Alum Bay, Isle of Wight, jarosite, 941 . Cumberland...Bay attd Upnor, Kent. Cornwall Bosahan quarry, Falmoath, biotite, 21o. Dean quarry, Coverack, The Lizard...147. INDEX Drakewalls mine, Gunnislake, posnjakite, 740. Hingston Down Consols" mine, arthurite, 52o...albite, 489. Torrington, cobaltite, 26. White Cliffs, opal, 357. Queensland Cloncurry, cobaltite, 26. Mt. Cobalt...mine, varlamoffite, 624. South Australia Andamooka, opal, 357Boolcoomatta, alkali feldspar, 489. Black Hill
Catalog/List
formed on 1111 ABHURITE 6 St Ives. Cornw all, England 85 18 in wreck on ship a gots _ in Sn_______ O...I x 1/, ALSiO Brochantite on matrix. £4 Devon .England £2.50 ALMANDINE Large brown well fom1ed dodecahedral...hard white sphere shaped nodule. Newhavcn Sussex, England Al S0/4 ------ -------- ----- ·--- lx2 £6 ½x½£3...-�b Ag �b� 2 3 ANHYDRITE Ix2 50p Staffordshire England 2x2£1 2x3 £ 1.50 Ri ch white 10 faintly blue masses...ANNITE Pure black mica plate new Analys is. Saga Quarry, Tvedalen near Mica paper avail'!�_____ _ ___Larv
Journal (issue)
lapidary society Competition 2011 Mining the Ocean Cornwall Field Trip ., Journal 232- July August 2011...to explain everything and an exceedingly verbose quarry manager but.that's another story. On the day in...even on motorway sections and tended to freewheel down even the slightest of inclines. Not a procedure...great colour and pattern. Terry also entered three UK cabochons of which the orbicular jasper, in particular...basalt heaved back from the Le Cheix "organ pipes" quarry by the Pearces. The one that caught the eye of
Catalog/List
mineralogy, particularly in relation to northern England, the field in which Trevor carved a niche for himself...Southwest England 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 SS.A1 Wavellite - High Down Quarry, Haddon...SW.17 Paratacamite - Botallack Mine, St.Just, Cornwall. [SW 365 330]. From Hazard Section. SW.18 Botallackite...Botallackite with connellite - Botallack Mine, St.Just, Cornwall. Collected 1985 [SW 365 330]. Corpus Christi Lode...Lode. SW.43 Botallackite - Levant Mine, St.Just, Cornwall. [SW 368 346]. 130 fathom level, South Lode. Ex
Catalog/List
Spinel crystals from madgascar.Mottramite from England .Cut and polished Labradorite.Tacharanite and Tobermorite...of ingots on a ship wreck in 1885 St Ives. Cornwall. England Rich fine grained black crystalline mass Mount...St cavities in quartz_________________ Hilary Cornwall Pure black-brown cleavage Yakutia,Russia PRICES...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
Catalog/List
TOW Drakewalls Hou~e , D~akewalls , Gunnislake , Co~nwall , England. TEL. ~O .: Tavistoc k 032301 (STD...NITE . Fouoy ConsolEl f"d. ne , Tywal'dl'eath , Cornwall. Silvel'y- grGy"needl y tll'ystal! to 4 mm in...13. OORNITE . Carn Ol'tla I·lino , Illtlga n, Cornwall. W'Elll ftlrmod tul'nished cl'ystals to 4 mm in...00 22. CERULEITE. Wheal Gtlr lan d , St . Day , COrnwall. Rich crusts of sky - blue crystallwne ceruleite...3-!x2+x1i" , £1B.00 2B. CHALCOPYRITE. Hingston Down , CalstoCk, Cornwal l. Rich go l den masses with
Catalog/List
Chee rful , 18 miles NNW of St I cm £6 Ives. Cornwall. England No location details !cm £4 Colo urless to...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...pale grey-green mass ive. County Bri dge Quarry,Lizard ,Cornwall Jx I £ I I x2 £2 Loch Scridain Mull...Kelly Bray , Cornwall Francois Lake, Bri tish Columbi a Canada Holm bush Mine Cornwall £3 2x2 £5.00
Catalog/List
CATALOGUE Byways, 20 Burstead Close, Cobham, Surrey, England KTll 2NL Phone 01932 862340 EMAIL . richard.tayler@minerals...River Quebec, Can 12 ALUMINITE Newhaven Sussex, England Rich fibrous pale grey-brown mass. Pure hard white...■■ ALLOPHANE Hawkswood Mine, Cornwall 933 ANATASE Hingston Quarry,Cornwall Black micro crystals in crystalline...ALLOPHANE New East Wheal Russell mine, Devon ,England grey bleby small botryoidal with possible Brochantite...½" £2 lxl £4 lx2 £6 23 ANHYDRITE Staffordshire England Rich white to faintly blue masses CaS0.'4 lx2 £1
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...ALLOPHANE New East Whcal Russell mine, Devon ,England variety VIRIDINE (Mangan rich variety) Olive green... £4 lx2 £6 Ca SO/4 23 ANHYDRITE Staffordshire England Rich white to faintly blue masses lx2 80p 2x2 £1
Catalog/List
I Byways, 20 Burstead Close, Cobham, Surrey, England KTll 2NL Phone 01932 862340 EMAIL richard.tayler@minerals...no £5 -------------------------933 ANATASE Hingston Quarry,Comwall Black micro crystals in crystalline...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 ________
Book
PO Box 315. Harpenden. Hertfordshire AL5 2ZD. England Telephone: +44 (0)1582 762413 Fax: +44 (0)870 055...the production of e0pper. the mining areas of Cornwall and Devon became important producers of b th tin...Oxford University Museum of Natural History; Royal Cornwall Museum, Truro; Sedgwick Museum, University of...1\llaga::i11e, on minerals from localities in Cornwall. Devon. Cumbria and Yorkshire. He was renowned...theLakeDistrictandCornwall (izoklakeite}" WhealCock,StJust,Cornwall SouthTerrasmine,StStephen•in-Brannel. Comwa!I
Journal (article/letter/editorial)
adopted was this: almost every reference was tracked down and personally checked by the author. From the data...original specimens (mainly Scottish) were tracked down and checked with modern analytical methods. A number...first discovered in the British Isles (14 from Cornwall; 2 from Somerset; 1 from Cheshire; 2 from Scotland;...H. G. M A C P H E R S O N from England (75 of which are from Cornwall); 28 from Ireland; and 10 from...Thus, of the 130 species, 64 are from England (48 from Cornwall); 35 from Scotland; 19 from Ireland; and
Catalog/List
MINERALS Ho U available. NEW STOCK Devon and Cornwall pages 8 S 3 : ALLOPHANE, ARTHURITE, pure CHALCOCITE...PO/4 slightly radioactive. (Old Gunislake Mine Cornwall) a) green 3mm area on rock £3 b) lx half ins,...micro crystals on rock or quartz. (Levant Mine Cornwall) 1 x 55 £3 1x1 £4 to £6 563 CERULEITE Cu Al AsO/4...areas on matrix.(Wheal Maid Incline of Wheal Jane, Cornwall) 54x56 £2 1x1 £4 1x2 £8 516 CHALCOCITE black micro...micro crystals on matrix. (Geevor Mine, Pendeen Cornwall) showing one micro xl £2 with 2 or 3 micros £4
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
Journal (issue)
to Sussex alone; one honorary member hails from Cornwall and is an expert on the China Clay pits, whilst...whilst another member, from Australia, is an Opal miner. Also we have associate members from Hampshire, Wigan...Skye over a period of nine years (reported in the UK Journal of Mines and Minerals, Issue 10 1991 ), which...contain the best zeolite specimens to be found in the UK, one of which is now in the Oxford University Museum...with the major display being mounted by the Royal Cornwall Museum, Truro. Also two presentations will be
 
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