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Zircon from
Danbury, Fairfield County, Connecticut, USA


Locality type:Municipality
Classification
Species:Zircon
Formula:Zr(SiO4)
Comments:"An outstanding isolated occurrence of zircon crystals was discovered by John and Robert Gruss in a granite matrix at Mill Ridge, west of Danbury. The crystals were opaque, brown prismatic bi-pyramidal contact twins over an inch in length." Januzzi (1959).
Habit:prismatic bi-pyramidal
Colour:brown
Quality for species:Good crystals or rich for species - important (!)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Albite6 photos of Zircon associated with Albite at this locality.
Calcite3 photos of Zircon associated with Calcite at this locality.
Quartz2 photos of Zircon associated with Quartz at this locality.
Data
Mineral Data:Click here to view Zircon data
Locality Data:Click here to view Danbury, Fairfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:80969
Long-form Identifier:1:3:80969:6
GUID (UUID V4):af997e12-8e37-46c0-9952-536877137468
Localities for Zircon in this Region
North Street mall, Danbury, Fairfield County, Connecticut, USA
Old Quarry Nature Center, Danbury, Fairfield County, Connecticut, USA
Western Connecticut State College, Danbury, Fairfield County, Connecticut, USA
Nearest other occurrences of Zircon
1.7km (1.0 miles) North Street mall, Danbury, Fairfield County, Connecticut, USA
2.8km (1.7 miles) Old Quarry Nature Center, Danbury, Fairfield County, Connecticut, USA
3.3km (2.1 miles) Western Connecticut State College, Danbury, Fairfield County, Connecticut, USA
7.8km (4.9 miles) U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
9.9km (6.1 miles) Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA
11.5km (7.2 miles) Captain Cook's Quarry (Purdy Station Quarry), Newtown, Fairfield County, Connecticut, USA
12.5km (7.8 miles) Casey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA
13.3km (8.3 miles) Ridgefield, Fairfield County, Connecticut, USA
13.9km (8.6 miles) Interstate 84 road cuts, Town of Southeast, Putnam County, New York, USA
14.4km (8.9 miles) Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
CONNECTICUT Mineral Locality Index Although many sites in Connecticut are no longer open to collectors...H. WEBER 1172 West L a k e Avenue Guilford, Connecticut 06437-1342 E A R L E C. SULLIVAN 17 R o c k y...y R i d g e D r i v e T r u m b u l l , Connecticut 06611-5326 T his locality index is meant to serve...collectors. More often than not, collecting in Connecticut is no longer per­ mitted. Many of the localities...effort has been made to list a l l localities in Connecticut, a small state that is big on mineralization
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...BY THE MINERALOGICAL PRESS 83 Elm Street Danbury. Connecticut IIOIPW MINERALS ON PARAt>E F.tMSTltIP*...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 (article/letter/editorial)
Branchville, Fairfield County, Connecticut A CLASSIC MINERAL LOCALITY E D W A R D J. MARCIN 244 Eadon...7 1 0 The mineral locality at Branchville, Connecticut, was ini­ tially opened in 1876 by a Mr. A ....consid­ ered this the best deposit in the state of Connecticut.) Mr. Fillow was evidently an observant man and...the year Reverend J . Dickenson of Redding. Connecticut, a mineral collector, sent a fairly large quantity...accessory sphene and ilmenite. It is part of the Danbury granodioritc gneiss. The dike is part of the Thomaston
Journal (issue)
The Danbury Mineralogical Society , Inc. P.O Box 2642, Danbury, Connecticut 06810-2642 December 2014...meeting will be at the Danbury Museum & Historical Society 43 Main Street, Danbury CT NEW DMS WEBSITE h...but since then we've seen mostly facetable gems: zircon and topaz, which come in a variety of colors, and...fairly high degree of visibility and popularity, but zircon (rather undeservedly) seems to lag. The Danburite...Below: Tiffany & Co. necklace c. 19101915. Blue zircon center stone surrounded by diamonds, zircons &
Journal (article/letter/editorial)
Newlin, Pennsylvania; Upper Merryall and Haddam, Connecticut; Russell and Westfield, Massachusetts ; from...Lode pegmatite near the Royal Gorge in Fremont County, Colorado. Common in the pegmatites of Yavapai...Augustin Peak, Organ Mountains, New Mexico; in Connecticut, and Pennsylvania; and especially in San Diego...Mountain in the Crested Butte region of Gunnison County, Colorado, in good gem crystals. ANDRADITE, calcium-iron...Andradite has been found at Middletown, Delaware County, Pennsylvania and at other localities in Delaware
Journal (issue)
Fluorite Crystals with Galena Crystals, Socorro County, N. Mex. A very fine selection in stock. Crystals...JUNE, 1965 CONTENTS THE DANBURITE LOCALITY AT DANBURY, CONN—Ronald E. Januzzi THE HISTORY AND MINERAL...(chalcedony pseudomorph after coral) from Hamilton County, Florida, near the famous Suwannee River. This...and Mineral Fair will be held at the Jefferson County Fair Grounds west of Denver, Colo., on U. S. 6...1965—5th Annual Swapping Bee and Picnic of the Fulton County Mineral Club will be held at John Boyd Thatcher
Book (edition)
LAZULI TURQUOISE GARNET ONYX • PERIDOT* • ZIRCON • CARNELIAN TOURMALINE OPALS • AOATI • ...SPINEL STAUROLITE •^^ VESUVIANITE WILLEMITE ZIRCON CRYSTALS Crystal forms 5 velopment of one face...topaz and spodumene. crystals, Areas in Maine, Connecticut and California, and Madagascar, are famous for...mine, Racooche Valley, White Co. 1866 Vs White County Daniel Light form, % mi. NE Less than 1887 ...Alabama has yielded a 4i%4 carat diamond from Shelby County, 30 miles south of Birmingham, found about 1900
Journal (article/letter/editorial)
LOCALITY AT DANBURY, CONNECTICUT, 1837-1965 By RONALD EVERETT JANUZZI Danbury, Connecticut One of the...mineralogical literature had its beginning at New Kaven, Connecticut on the 15th day of June, 1835 A.D. It was on...Street and Padanaram Road) in the village of Danbury, Connecticut. It was within this restricted area that...the geological survey of Connecticut. It was collected in the town of Danbury near the manufactory of...little room to doubt that the specimen found at Danbury, though found detached, was nevertheless derived
Journal (article/letter/editorial)
pretensions such as glass, rhinestones, synthetic spinel, zircon, synthetic sapphire, synthetic rutile, topaz and...well cut zircon, which has been around for a while. But it has other qualities that a zircon doesn't."...Y A G , 8y ; spinel, topaz and beryl, each, 8; zircon, 71^; quartz, 7; rutile, 6 and glass and strontium...Colorado; Elk Grove Village (Chicago), Illinois; Fairfield (New York City), New Jersey; and Montreal, Quebec...Mr. Dennis Shay of Weston, Connecticut and Vice President of the Danbury Gem and Mineral Society will
Journal (article/letter/editorial)
Y A G , 8y ; spinel, topaz and beryl, each, 8; zircon, 71^; quartz, 7; rutile, 6 and glass and strontium...Colorado; Elk Grove Village (Chicago), Illinois; Fairfield (New York City), New Jersey; and Montreal, Quebec...Mr. Dennis Shay of Weston, Connecticut and Vice President of the Danbury Gem and Mineral Society will...meeting. He will exhibit minerals from East Haven, Connecticut. Mid Hudson's new president for 1971, Mr. Alwin
Report (volume)
SMITH, DIRECTOR BULLETIN 484 THE GRANITES OF CONNECTICUT BY T. NELSON DALE AND HERBERT E. GREGORY Prepared...the Geological and Natural History Survey of Connecticut WASHINGTON GOVERNMENT PRINTING OFFICE 1911 ...discussion____________________._____._ Salient features of Connecticut geology, by Herbert E. Gregory___ Origin, nature...rocks________________.__ __ Granites and granite gneisses of Connecticut, by Herbert E. GregoryName, mineral content,...granitic intrusions_________ ____ 24 Age of the Connecticut granites________ __ _ __ 25 Structure, rock variations
Journal (article/letter/editorial)
at 23:49 05 October 2014 Daybreak Mine, Spokane County, Washington T he naming of minerals that contain...autunite aggregates from the Daybreak mine, Spokane County, Washington; John Lucking specimen, Jeff Scovil...autunite crystals on matrix from the Apex mine, Lander County, Nevada; Scott Kleine specimen, Jeff Scovil photo...Hill prospect at Lovell and several other Oxford County sites, including the well190 ROCKS & MINERALS...Acworth, Sullivan County; the Parker Mountain mica mine near Center Strafford, Strafford County; and various
Journal (issue)
The Danbury Mineralogical Society , Inc. P.O Box 2642, Danbury, Connecticut 06810-2642 July - August...meeting will be at the Danbury Museum & Historical Society 43 Main Street, Danbury CT DMS WEBSITE http://www...will have a short on-line presentation of the Danbury Mineralogical Soc. Meet-Up Web site *****The Historical...Society will most likely be the new home of the Danbury Mineralogical Society Benefits: There is Air Conditioning...June 15 raindate 6/22) Please attend meeting at Danbury Historical Society on Thursday, August 8. Jack
Journal (issue)
The Danbury Mineralogical Society , Inc. P.O Box 2642, Danbury, Connecticut 06810-2642 October 2013 ...meeting will be at the Danbury Museum & Historical Society 43 Main Street, Danbury CT Earth Science Week...Well, I think we all survived! The worldfamous Danbury Mineralogical Society Gem, Mineral & Fossil Show...we save some bucks by not holding them at the Danbury Historical Society, and it's closer for some of...volcanos of Iceland. Our new meeting place, the Danbury Historical Society & Museum, has an extensive website
Journal (article/letter/editorial)
baguettes. NatROCKS AND MINERALS ural colorless zircon (the colorless resulting from heat treatment) was...index is low, and it lacks rainbow dispersion. (A zircon is prettier.) However, Yag is cut very carefully...August 30th to Greens Garnet mine, Roxbury, Connecticut, and Judds Bridge for kyanite. The caravan will...and their handling, many places as at the Orange County Fair. Rock hounds respect snakes and must know...mineral show will be of the Danbury Society, Elks Hall, 346 Main Sr., Danbury, Conn. ROCKS AND MINERALS
Report (volume)
natural pink topaz. In a similar manner a colored zircon may be heat-treated and thereby become colorless...(emerald, aquamarine), spodumene (kunzite, hiddenite), zircon, and gem varieties of feldspar, topaz, and quartz...Del Norte County; Trinity River, Trinity County; Spanish Creek and Gopher Hill, Plumas County; Placerville...Dorado County; Cherokee Flats, Yankee Hill,and Oroville, Butte County; French Corral, Nevada County; Indian...Indian Gulch and Volcano, Amador County; and Alpine Creek, Tulare County. Other western localities are:
Journal (article/letter/editorial)
northernpart of Merrimack County. Smallerdepositsin the adjoiningtown of Danbury were worked for a while..."porphy• Emerson, B. K.: Geology of Old Hampshire County, Massachusetts. U.S. Geol. Surv. Mon. 29, p. 319...the microscope suchaccessory mineralsas magnetite,zircon,ruffle, and apatiteare found; sillimaniteand c...feldsparand chloriteand abundanttiny grains of zircon and rutile. The garnet contains numerous inclusions--one...metamorphosed schistand the intruded material. Danbury.--Rich garnet rock outcropsin severalplaceson both
Journal (article/letter/editorial)
AMERICA JULY-AUGUST,1946 THE BRANCHVILLE, CONNECTICUT, Nos. 7 and 8 PEGMATITE* VrNcBNr E. Snarxrx...unusual pegmatite in the village of Branchville, Connecticut, has long been a renowned locality for manganesephosphates...Bridgeport Wood Finishing Company of Bridgeport, Connecticut, is said to have operated for qttartz and feldspar...Burrone -and Carlo Rusconi, all of North Branford, Connecticut, operated the mine for mica, and the Sandy Ridge...Geologic map of the Branchville Mica Mine, Redding, Connecticut. let Md t'p \bl \'r t\l t$ \ .(J b0 a
Journal (article/letter/editorial)
arch of the Palermo mine, North Groton, Grafton County. Rob Lawrence photo, courtesy Bob Whitmore. 242...at 15:01 05 January 2015 LOCATIONS BY COUNTY Belknap County Alton area: arsenopyrite, galena, quartz...occurrence is particularly noteworthy for Carroll County Albany, Blackberry Crossing (includes the Moose...crystals), siderite, siderophyllite, zinnwaldite, zircon (microcrystals) (Bob Janules, pers. com., 2000)...(microcrystals), topaz* (crystals, sherry and pink), zircon (microcrystals) (Bearss and Janules 1992). Arthur
Report (issue)
............................ 22 Spinel, Orange County, N. Y............................................ N. J......................................... Zircon, Franklin, N. J..................................of the southwesterly section of the State of Connecticut, the southeasterly portion of New York State...depression, extending from the present Bockland County, New York, through New Jersey toward the southwest...operations of this kind are now under way in Westchester County. 16 M'liLKTIX NF.W YORK MINKRALOCJICAT; CLUB
Book
CONNECTICUT mmES MINERALS V Tourmaline Crystal from Haddam, Connecticut John Hiller, Jr. Hillers CryctaLShop...- CRYSTALS NOT PISTOLS K c^oi c3— A r CONNECTICUT MINES AND MINERALS published privately l i...Shelton, Connecticut I DEDICATION This book is dedicated to the mineral clubs of Connecticut, Continued...1971, John Hiller, Jr, 3 Peters Lane Shelton, Connecticut II CONTENTS 3. 5, l i 6. 7. 8. 9. 10. 11...24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. Connecticut Mineral Clubs Cleaning and Trimming Oxalic Acid
Journal (issue)
occurrence of the rare mineral piedmontite in Adams County, Pennsylvania. Following the directions of Mr....Railroad, southeast of Charmian Station in Ada1ns County: at Blue Ridge Summit on the Pennsyh·arua-1\Iaryland...Pennsyh·arua-1\Iaryland border ; and, rarely, in Franklin County at scattered places on Jack's Mountain. In eYery case...pyrite are quite numerous at siderable number of zircon crystals. White l\l ound. Tra,·ertine is deposit-...early stn~es of quarrying operations at Easton, zircon was found in talc but the deposit was soon exhausted
Journal (article/letter/editorial)
the State of Connecticut." * The localities are Prospect Hill, near Litchfield, and Danbury to Xew. Downloaded...Reviews—Professor Rosenbusch's 70th Birthday. Fairfield. Prof. Hobbs concludes " that the generally rare...haiiyne (scarce), magnetite, apatite, ilmenite, and zircon, and the groundmass, often more or less glassy
Journal (article/letter/editorial)
noticed as tiny pale amber-yellow xls in quartz vug. Zircon: Here is a specimen that had us baffled for a number...specimen showed tiny orange fluorescence typical of zircon. Examination revealed that each fluorescent spot...fluorescent muscovite xls had a tiny zircon xl imbedded in it—it is the zircon fluorescing through the muscovite...here reads—Danbury, 34 miles). Thomaston is in S/E Litchfield County in western Connecticut. A sad note...Lufkin, and Harry Sprague, president of the Tri-County Rocks and Minerals Society. The display will be
Journal (issue)
00 e tantalocolumbite 3 .50 c vcrdeLite 4 .00 e zircon 10.00 e petrified wood March 5, 1966 20 g Dinichthys...June7 , 1972 75 s ruby 2 b yellow sapphire 4 b zircon 6 b star sapphire Junel , 1959 10 c + JO c agate...HiJI community is located in northeastern Kershaw County, South Carolina. [n the past few years dark, gemmy...encompasses south central Lancaster County as well as northeastern Kershaw County {Fig. I). These areas are sparingly...abandoned Kelly Bank iron-manganese mine in Rockbridge County, Virginia. Because of its light color and friable
 
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