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Opal from
Cornwall, Litchfield County, Connecticut, USA


Classification
Species:Opal
Formula:SiO2 · nH2O
Comments:Shepard (1837): "Botryoidal calcedony, of a yellowish and reddish white color (504), is frequent in the clay and iron-region of New Milford, Kent, Cornwall and Washington." Sample 504 is described as "Quartz. Calcedonic, with opal. Botryoidal."
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Cornwall, Litchfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:938709
Long-form Identifier:1:3:938709:6
GUID (UUID V4):1b9abff3-c55c-4697-820b-037686c399f4
Localities for Opal in this Region
Mine Mountain graphite prospect, Cornwall, Litchfield County, Connecticut, USA
Nearest other occurrences of Opal
3.4km (2.1 miles) Mine Mountain graphite prospect, Cornwall, Litchfield County, Connecticut, USA
20.2km (12.6 miles) State Routes 8 and 118 interchange, Harwinton, Litchfield County, Connecticut, USA
20.8km (12.9 miles) Torringford, Torrington (Wolcottville), Litchfield County, Connecticut, USA
22.6km (14.0 miles) New England Mining Company Quarry (Roebling Mine; Hewitt's Mine), Upper Merryall, New Milford, Litchfield County, Connecticut, USA
26.4km (16.4 miles) Lead Mine Brook, Harwinton, Litchfield County, Connecticut, USA
27.2km (16.9 miles) Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
29.7km (18.5 miles) Reynolds Bridge, Thomaston, Litchfield County, Connecticut, USA
30.6km (19.0 miles) Roxbury Iron Mine (Shepaug Iron Company Mine; Shepaug Spathic Iron and Steel Company Mine), Mine Hill (Ore Hill), Roxbury, Litchfield County, Connecticut, USA
33.3km (20.7 miles) Nonnewaug River Industrial Park, Woodbury, Litchfield County, Connecticut, USA
36.0km (22.4 miles) Blue Stone Quarry, Waterbury, New Haven County, Connecticut, USA
References
Reference Search (possible matching items)
Catalog/List
Fluor-Haloide. Triy. Fluor. Chem. Fluate of Lime. 52. L. Cornwall, England. color. 53. L. Chaux Shawneetown,...Chaux fluatee bor- dee. H. 57. L. St. Agnes, Cornwall. Purple and white. planes which replace each of...fpolished.) 73. h. Hartz. 71. L. Compact. Munroe, Connecticut. (Chlorophane.) der, Heated emits a beautiful...whitish veins and crystals. 75. L. Munroe, Connecticut. Sp. 2. Do. Rhomhohedral Fluor- Haloide. Triv...extended. The mass of the specimen side is 77. L. Cornwall. at each extremity by single planes. lateral
Book (edition)
THE MINERAL LOCALITIES OF CONNECTICUT AND SOUTHEASTERN NEW YORK * «-• r ** K* ysf^ :' •'’S >- n...250 SPECIES iBooks by Ronald Everett Januzzi CONNECTICUT MINERALS ON PARADE NEW YORK STATE MINERALS ON...THE MINERALOGICAL PRESS 83 Elm Street Danbury. Connecticut IIOIPW MINERALS ON PARAt>E F.tMSTltIP* THREE...to enrich our knowledge of the mineralogy of Connecticut: James Dwight Dana Samuel L. Penfield Edward...Minerals from the Principal Localities in Western Connecticut and Southeastern New York State.............
Journal (issue)
Carolina). Chalcedony after interstices from Chester County, Pa., has been described by Vaux, G., 1935] ...Magnet Cove, Arkansas Pyrite after Chalcocite. Cornwall, England Quartz after Diopside. Pierrepont, New...stable sol. Here would belong opal after glauberite; chalcedony and opal after thenardite, gypsum, and...chalcedony after gypsum and calcite. The pseudomorphs of opal and chalcedony after gypsum, glauberite, and anhydrite...' Bornite after Chalcocite: I, C 2 St. Ives, Cornwall, 1471. See further under pyrite after chalcocite
Book
solids-for instance, jello. A few minerals are colloids. Opal is the best known mineral colloid. It is a solid...or earthy in appearance. Glasses and ~he minerals opal and limonite afford good examples of amorphous matertal...Survey) Chester County, Pa.: Alabama; Texas; Montana: Humbolt County, Nevada; Beaver County, Utah; Loudon...~unty, Virginia; Wake County, North Carolina; Albany County, Wyommg; and Kern County, California. Natural...realgar and usually with it. It is found in Iron County and Mercur, Utah; also in Yellowstone Park in hot
Journal (article/letter/editorial)
as specimens. Clarksville is in southern Johnson County in N / W Arkansas. COLORADO — "Recently we took...located one mile west of Wilbur Springs in S/W Colusa County in North California. The ore of the Manzanita Mine...marcasite, chalcopyrite and stibnite also occur. CONNECTICUT — "Even an old locality can still produce prize...afternoon drive to the old Garnet Mine in Roxbury, Connecticut, my wife, Rita, found the best garnet crystal...at Roxbury Falls, in Southern Litchfield County of western Connecticut. Mrs. Scheffer's crystal is one
Book
as in quartz Resinous like resin, as in amber and opal Pearly like a pearl, due to alignment of pl aty...conglomerates. The southern shore of Lake Superior (USA) is the best location to find copper , allegedly...Jachymov (Czech Republic), the Comstock Lode (Nevada, USA) and Cobalt (Canada). Ag Colour: silver-white ...Wittwatersrand (South Africa), California and Alaska (USA), Australia, South America and Siberia. G Au Colour:...meteorite, with pieces found at Canyon Diablo (Arizona, USA), fell c. 20,000-40,000 years ago, creating a crater
Book
as in quartz Resinous like resin, as in amber and opal Pearly like a pearl, due to alignment of pl aty...conglomerates. The southern shore of Lake Superior (USA) is the best location to find copper, allegedly the...Jachymov (Czech Republic), the Comstock Lode (Nevada, USA) and Cobalt (Canada). Ag Colour: silver-white ...Wittwatersrand (South Africa), California and Alaska (USA), Australia, South America and Siberia. G Au Colour:...meteorite, with pieces found at Canyon Diablo (Arizona, USA), fell c. 20,000-40,000 years ago, creating a crater
Book
granite but with no quartz. Sandstone (South Dakota, USA) _9_ A darker rock than granite but with a similar...Fluorite is a common example. Aragonite (Utah, USA) 27 Crystals Crystal Morphology The term morphology...crystal form. Other crystals Wulfenite (Arizona, USA) 29 may show lesser symmetry on a scale at the...sensitive. Still others may be watersoluble, and opal, for example, may need to be kept in a liquid. Many... Examples are bournite (‘cog-wheel ore’) from Cornwall, England, and pyrite from Panasqueira, Portugal
Book (edition)
the Clerk's Office of the District Court of Connecticut. STEREOTYPED BY F. F. RIPLEY , NEW YORK 量1...137 223 New Haven , Parian, common; Labrador opal, Lapis Lazuli, Laumonite, Lava, Lazulite, Lead,...avanturine, Obsidian , Olivine, Onyx, Oolite, Opal, 16 , 68 17, 104 common, ferruginous, fire,...These species, or varieties, are flint, chalcedony, opal, and carnelian . Flint is of a gray, or blackish...employed for the tops of snuff-boxes, seals, & c. Opal. There are several varieties of this mineral, which
Catalog/List
- --q.,_u_artz _ _ _ _ _ _ _ _ ___::H_i_l_?fY Cornwall __________ _ _ _ _ __ _________ AGRELLITE Excellent...SO/4 OH magnification there arc small crystals County, Arizona -------------"'--------'-'--'----'--____;;...grey cleavable massive Crystal peak, Park County, Colorado, USA Keystone, South Dakota U.S.A. 1" £4 2x3...grained mass in calcite Dark Star Mine,Ravalli County, Ix½ £2.50 lxl £4 ANCYLITECe CeSr CO/3 Montana...with Chrysotile, pale grey-green County Bridge Quarry,Lizard ,Cornwall MgFeSiO massive. Minas Gerias Brazil
Book (edition)
the Clerk's Office of the District Court of Connecticut STEREOTYPED BY P. F. RIPLEY , NEW YORK ca...Kaolin, Karpholite, Kupaphrite, Kyanite, Labrador opal, Lapis Lazuli, Laumonite, Lava, Lazulite, Lead...Peliom , 29 130 Pumice, 227 Purple copper, Oolite, Opal, common, ferruginous, of chrome, of columbium ...These species, or varieties, are flint, chalcedony, opal, and carnelian. Flint is of a gray, or blackish...employed for the tops of snuff-boxes, seals , &c . Opal. There are several varieties of this mineral, which
Journal (issue)
well-earned since he was 6 foot, 3 inches in height (USA passport app Iication 1921 ). As a canoer and sail...as living in Vandervilt Township, San Bernardino County, CA. His Mineral Industry report of 1900 on California...OKS! Minerals of Northern England $40 + $6.00 s/h USA Figure 1. Dr. Archibald Edward Heighway, Jr. (on...Lawrence County, NY. Photograph with permission from the Collections of the St Lawrence County Historical...First Discovered in Switzerland $45 + $9.00 s/h USA Mini Miners Monthly A Montl,ly Publication for Young
Book (edition)
the Clerk's Office of the District Court of Connecticut. 3 STEREOTYPED BY F. F. RIPLEY, NEW YORK 4...Kaolin , Karpholite, Kupaphrite, Kyanite, Labrador opal, Lapis Lazuli, Laumonite, Page. 260 Manganese...Obsidian, Olivine, 206 Pyroxene, Onyx, Oolite, Opal, common , ferruginous, fire, precious, semi, Opalized... or varieties, are flint, chalcedony, quartz. opal, and carnelian. Flint is of a gray, or blackish...employed for the tops of snuff-boxes, seals, &c. Opal. There are several varieties of this mineral, which
Book (edition)
the Clerk's Office of the District Court of Connecticut 3 STEREOTYPED BY F. F. RIPLEY, NEW YORK QE365...Kaolin, Karpholite, Kupaphrite, Kyanite, Labrador opal Lapis Lazuli, Laumonite, Lava , Lazulite, Lead...206 Pyroxene , 131 Quartz, Onyx, 110 Dolite, Opal, 16, 68 17, 104 common , ferruginous, fire, precious...These species, or varieties, are flint, chalcedony, opal, and carnelian. Flint is of a gray, or blackish...employed for the tops of snuff-boxes, seals, &c. Opal. There are several varieties of this mineral, which
106 rock crystal 28; 31 opal, fire 32, 33 tiger’s eye 31 tinzenite91 opal, precious 32, 33 libethinite...libethinite 65, 65 liebigite 53 limonite 37 opal, wood 32, 33 rutile 33, 33 orpiment 18 sagenite 33 sanidine...thenardite 55 thomsonite 117, /2/ thulite 88 onyx 32 opal 32 leucite 76, 109, 111 lithiophilite 65 ludwigite...it has traditionally been accepted that mercury, opal, and chrysocolla, among others, should be grouped...examples occur at Bogoslovsk in the Urals and Cornwall in England. Mercury, arsenic, antimony These
Book
themselves. Cover photograph: Hexagonal siderite from Cornwall, England. (Museo Civico di Storia Naturale, ...32 opal 32 leucite 76, 109, 111 libethinite 65, 65 opal, fire 32, 33 opal, precious 32, 33 opal, wood...strictly above. And while it has that mercury, opal, and should be grouped with speaking they should...examples occur at Bogoslovsk in the Urals and Cornwall in England. Mercury, arsenic, antimony These...suppliers are, in order, the USSR, Canada, and the USA (South Dakota, Nevada, Utah, Arizona, and California)
Book (edition)
the Clerk's Office of the District Court of Connecticut. STEREOTYPED BY F. F. RIPLEY , NEW YORK ADVERTISEMENT...Jet, Kaolin, Karpholite, Kupaphrite, Labrador opal Kyanite, Lapis Lazuli, Laumonite, Lava, Lazulite... Novaculite, Obsidian , Olivine, Onyx, Oolite Opal, Page 236 Prennitt, 325 Primitive forms, 130 Pumice...These species, or varieties, are flint, chalcedony, opal, and carnelian. Flint is of a gray, or blackish...These species, or varieties, are flint, chalcedony, opal, and carnelian . Flint is of a gray, or blackish
Catalog/List
clove-brown Axinites. LC,£6. AGATE VAR THUNDER EGG. Oregon,USA. Large,polished h alf-geode shov­ ing scarlet and...£30. SW. ALLUVIAL TIN. Rialton,St Columb,North Cornwall. A jar containing 400 gm of alluvial tin in the...colour, TN,£65. 11. ANATASE. Magnet Cove,Arkansas,USA. Perfect,off-matrix,cube-octahedral 4mm xtl. Boxed...£4. 12W. ANDRADITE GARNET. San Benito County,California,USA. Ex George Holl­ oway collection. Single...; bubbly Goethite. SC,£20. ANTHOPHYLLITE. Connecticut,USA. l�hite,crystalline matrix veined with long
Report (volume)
Colorado.........Prof. R. D. George, Boulder. Connecticut..... .Prof. William N. Rice, Middletown. Prof...See Bauxite and Hallpysite. Asbestos. Tallapoosa County, with corundum deposits near Dudleyville; not found...commercial quantity or quality. Asphalt. Colbert County, small quantity has been shipped from near Leighton;...following localities: Bibb County, Pratts Ferry; Calhoun County, near Tampa; Clay County, T. 20, Pv. 7 E.; Jefferson...Jefferson County, at Elyton; Lee County, at Chewacla lime works; St. Clair County, at Gfeensport; Shelby
Catalog/List
Localitv Peru Broken Hill Australia Crow Hill Mine, Cornwall Kildonan Burn Sicilv Elba Glen Strathfarrat Scotland...Wheal Andrew, Cornwall Israel Sutherland Scotland Cardiff, Ontario, Canada Lizard, Cornwall Pacific Ocean...Ocean Lizard Cornwall Ashover Derbyshire Eire Gwenap, Cornwall (Lowe) Aberfeldy, Scotland Brein Lecanvie...Yorkshire Yakutia Russia Milos, Greece Wheal Andrew Cornwall Bala Wales A1 A1 A1 A1 A1 A1 A1 A1 A1 A1 A1 A1... Coldberrv Mine Corsica A2 A2 £2 sop Nevada, USA Unknown The Knipe, S. Scotland Masson Hill, Derbyshire
Catalog/List
entry for this list ANALCIME Dean Quarry, Lizard ,Cornwall Achmclvich, near Lochinvcr, Scotbnd 97 ACTINOLITE...Lauvland, Frigstad, Evjc Norway 933 Hingston Quarry,Cornwall 16 Rich grey-white cleavages , some with minor...lxl£3 2x2£12 lx2£5 lxl £1 ----· Hawkswood Mine, Cornwall ANDALUSITE Cabracao, Minl10, Portugal 95 10 77...Newhaven Sussex, England ANDRADITE Franklin New Jersey USA SO 12 Pure hard white sphere shaped nodule. Quite...ANGLESITE Broken Hill, NSW. Australia Marysvale, Piule County, Utah 1152 15 Good coverage of small grey crystals
dendritic and arborescent crystals are found in Cornwall, England. Native copper wires occur at Tsumeb...Michigan. Found in Colorado at Aspen and in Boulder County; also in several mining areas in Arizona. Good...Czechoslovakia. Also at St. Agnes and elsewhere in Cornwall, England; from Picos de Europa, Spain. Very beautiful...Missouri. Fairly large crystals in Clear Creek County, Colorado. Very fine crystals in dolomite from...Mexico. Very unusual crystals at Carn Brea Mine, Cornwall, England. Found at Wanlockhead Mine in Scotland
Book
65 olivine 75, 75 onyx 32 opal 32 opal, fire 32, 33 opal, precious 32, 33 opal, wood 32, 33 orpiment J8...it has traditionally been accepted that mercury, opal, and chrysocolla, among others, should be grouped...examples occur at Bogoslovsk in the Urals and Cornwall in England. Mercury, arsenic, antimony These...Redruth in Cornwall and Messina in South Africa. Exceptional crystals con,e fron1 Bristol, Connecticut, and...Calabona, Sardinia ( leafy) Right: Cha!cocite. Cornwall (England) Spha!erite in its black ferriferous
Book
jJUl 2 2 1998 ALLEN COUNTY PUBLIC LIBRARY FORT WAYNE, INDIANA 46802 You may return this book to any... or bookmobile of the Allen County Public Library DEMCO ALLEN COUNTY PUBLIC LIBRARY 549 Sch9m Schumann...Inc. New York Fort Wayne, IN 46801-2270 Allen County Public Liofary 900 Webster Street PO Box 2270 ...cristobalite, citrine, amethyst, and tridymite, as well as opal, are polymorphs of silica. Most minerals occur...blue or pearly Pleochroism appearance of common opal is caused by the reflection of light. Some transparent
Catalog/List
SiO F 7fJ 7 ■ AJOITE Christmas Mine, Gila County, Arizona USA Blue veinlets in matrix some with micro botryoidal...£12 7.x2 £24 Hydrocarbon 963 6 ✓ ALBITE Maine USA variety CLEAVELANDITE, pure white sheafy, masses...feldspar 37 ANCYLITE Ce Dark Star Mine,Ravalli County, Montana U.S.A Rich pinkish fine grained mass in...------------- PbAgSbS 50 ANDRADITE Franklin New Jersey USA Quite rich orange mass in matrix. Minor willemite...Fe As S 531 ARSENOPYRITE Hingston Down Quarry,Cornwall,Englnnd Rich silvery masses with Chaleopyrite
 
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