The Roger Harker Collection of Minerals & Other Private Collectors

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Azurite, Chessy les Mines, Rhône, France, 81mm h, Harker Collection label Provenance: Neeld Collection, 1975

Calcite, Beckermet Mines, Egremont, Cumberland, 134mm, Harker Collection label

Striated calcite, West Cumberland, 77mm, Amos Treloar and Harker Collection labels Provenance: Roger Harker's miniscule but easily legible handwri...

Baryte, Calcite and Specularite, Haile Moor Mine, Egremont, Cumbria, 84mm, Harker Collection label

Fluorite, Heights Mine, Weardale, 112mm Provenance: David First Collection, 1977

Barite, Millclose Mine, 103mm Provenance: Swain Collection, c1935

Fluorite with Chalcopyrite, Pell Mine, St Agnes, Cornwall, 64mm, Harker Collection label, dated 1972

Cerussite on Limonite, Cononley Mine, Airdale, Yorkshire, 85mm, Harker Collection label Provenance; Stephen Ray Eddy Collection; presented [to R S...

Brookite with Anatase, Albite and Quartz, Twll Maen Grisial, Prenteg Quinette, 64mm, Harker Collection label Provenance: I M Wilson Collection, 19...

Witherite, Nentsberry Hags Mine, Nenthead, Cumberland, 72mm, Harker Collection label dated 1971

Calcite with Fluorite, Quartz and Galena, Blackburn level brize, Rodderup Fell Mine, Allston, Cumberland, 87mm, Harker Collection label Provenance...

Chalybite pseudomorphous after Baryte, Virtuous Lady Mine, Tavistock, Devon, 84mm, Harker Collection label Chalybite pseudomorphs are also known ...

Fluorite and Hematite, Florence Mine, Egremont, Cumberland, 49mm, Harker Collection label date 1973

Fluorite, Weardale, Co. Durham, 81mm, Harker Collection label

Native copper, St Day area, Cornwall, 160mm, Harker Collection label

Hemimorphite, Roughton Gill, Caldbeck Allerdale, Cumberland, 95mm, Harker Collection label Provenance: Learoyd Collection, Huddersfield Museum, 19...

Galena, Silvermines, County Tipperary, Ireland, 60mm, Harker Collection label Provenance: R W Barstow

Fluorite and Siderite, Cambokeels Mine, Weardale, Co. Durham, 187mm, Harker Collection label Provenance: R A Sutcliffe Collection, 1974

Calcite, Coal Pit Rake, Riber, Matlock, Derbyshire, 164mm, Harker Collection label Provenance: R J King, by whom collected March 1958

Cerussite, Open Pit Northgate Mine, Tynagh, Co Galway, Ireland, approx 150mm, Harker typed label date 1966

Calcite, West Cumberland, 114mm, Harker and Smithsonian Institution Collection labels Provenance: Smithsonian Institution Division of Mineralogy, ...

Fluorite, Redway Rise, Watt's Level, Second Flat, Boltsburn Mine, Weardale, 140mm, Harker Collection label Provenance: Collected in 1917 by the mi...

Fluorite, Galena and Siderite, Boltsburn Mine, Weardale, 145mm, Harker Collection label Provenance: Collected c1880 and presented by R J King to R...

Galena on Calcite, Snailbeach Mine, Minsterley, Shropshire, 98mm, Harker Collection label Provenance: R.F.D. Parkinson; G A Lowe Collection; R Taj...

Barite, West Cumbria, 143mm

Biotite Mica, 280mm

British minerals. Campylite and Coronadite, Dry Gill, Cumberland, 83mm, Dolomite and Hematite, Haile Moore Mine, Egremont, Cumberland, 68mm, Pyrom...

British minerals. Bayldonite, Brandy Gill, Caldbeck Fells, Cumberland, 42mm, Hemimorphite, Aurichalcite in Baryte, Golconda Mine, Brassington, Der...

Fluorite, Blackdene Mine, Weardale, County Durham, 52mm, Malachite, Roughton Gill Mine, Caldbeck Fells, Cumberland, 62mm, Galena, Brownley Hill Mi...

Cornish minerals. Botallackite, Levant Mines, 60mm, Chalcophyllite, Wheal Gorland, St Day, 33mm, Olivenite, Wheal Gorland, St Day, 66mm and appox ...

Cumberland minerals. Bayldonite, Brandy Gill, Caldbeck, 53mm, Erythrite, Bottom Mine, Alston, 73mm, Minium in refractory brick, Cupola Mill, Grass...

Miscellaneous minerals, to include Cassiterite, Wheal Towan, Porthtowan, Cornwall, 84mm, Fluorite, Geevor Mine, 46mm, Calcite on quartz, Levant Mi...

Cornish and Devon minerals, to include Cassiterite, South Crofty Mine, Cornwall (R W Barstow) 71mm, Cassiterite and Chlorite, Wheal Kitty, St Agne...

Miscellaneous minerals, to include Tetrahedrite, with Bornite, Chalcopyrite and Calcite, Cornwall (ex Captain William Eddy), 86mm, prismatic Arsen...

Cornish minerals. Posnjakite, Drakewalls Mine, Gunnislake, Cornwall, 67mm, Azurite, Carharrack Mine, St Day, Cornwall, 98mm, Axinite, Botallack He...

Miscellaneous minerals, to include Wulfenite, South West Africa, 72mm, Vivianite, Tubule, Romania, 55mm, Ferberite, Panasqueira Mine, Portugal, 62...

Miscellaneous minerals. Calcite, Rodderup Mine, Alston, 170mm, Dolomite on quartz, Bere Alston, Devon, Calcite on Dolomite, Taffs Well Quarry, Ton...

Marcasite, Gwynfynydd Mine, Dolgellau, Merionethshire (ex Davi Jones of Nantmor), 116mm, Calcite and Analcine, Bottom Bench, Croft Quarry, Leicest...

Cornish minerals. Chalcedony, Pednandrea Mine, Redruth, Cornwall (ex R Talling from Russell Collection) 82mm, Quartz with Geothite, Botallack Mine...

Cornish and other British minerals. Chrysocolla and Malachite with Carpentem, St Erth, 83mm, Jamesonite, "from the small mine half mile SW of Trer...

Miscellaneous minerals. An extensive collection of mostly smaller specimens, of great variety from British and foreign locations and two geodes, s...

Nailhead Calcite (fluoresces pink), Broken Hill, New South Wales, Australia, 190mm, Calcite, Kamariza Mines, Lavrion, Greece, 110mm, Realgar, Matr...

Astrophyllite, Mount Yukspor, Kola Peninsula, Russia, 100mm, Anapaite, Girona Province, Spain, 70mm, Vanadinite, Mines de Mibladen, Morocco, 105mm...

Ferberite coated with Chlorite, Pyrite and Siderite, Panasqueira Mine, Portugal, 76mm, Aragonite, Cuenca, Spain, 80mm, Native Sulphur, Weenzen, Ha...

British and world minerals. Fluorite v. Blue John, Treak Cliff Cavern, Castleton, Derbyshire, 108mm, Harker Collection label, others, including Br...

Piemontite, Grisons, Switzerland, 70mm, miscellaneous other minerals and fossils, including Stronatolites, Lower Stromness Flags (Devonian), Yesna...

Metallic Copper, deposited upon iron rails in old workings, Coronation Lode, Geevor Mine, St Just, Cornwall, 110mm, Native Silver and Bismuth in J...

Twenty-nine plaster models of crystals, 66mm and smaller

Tetrahedrite coated with Chalcopyrite, Galena and Quartz, Herodsfoot Mine, Lanreath, Cornwall, 151mm, Harker Collection label Provenance: J C J B...

Celestine, Yate, Gloucestershire, 136mm, Harker Collection label

Calcite, Frizington, Cumbria, 110mm, Harker Collection label and US National Museum No 104447 Provenance: Carl Bosch Collection, US National Muse...

Calcite and Chalcoprite, Sweetwater Mine, Reynolds County, Missouri, 160mm, Harker Collection label

Analcine with Calcite, Croft Quarry, Leicestershire, 195mm, Harker Collection label Collected 1 May 1976

Dioptase, Katanga, Zaire, 95mm, Smithsonite, Tsumeb, South West Africa, 83mm, Hematite, Egremont, Cumbria, 81mm, Vanadinite, Broken Hill Mine, Zam...

Sphalerite and Quartz, New Glencrieff Mine, Wanlockhead, Dumfriesshire, 120mm, Harker Collection label Provenance: P Gregory, Imperial College, c1...

Blende crystals and Blende cemented Breccia, Force Crag Mine, Keswick, Cumbria, 135mm, Harker Collection label Acquired in 1970

Azurite, Malachite or Aurichalcite, Copper Queen Mine, Arizona, 100mm, Harker Collection label Provenance: Davies Collection, Dolgellau, 1968

Weardale minerals. Blackdene Mine, nine specimens, including Fluorite, Calcite, Galena and Blende, 130mm and smaller, Harker Collection labels Pr...