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Muscovite from
Ridgefield, Fairfield County, Connecticut, USA


Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Cleavelandite4 photos of Muscovite associated with Cleavelandite at this locality.
Albite3 photos of Muscovite associated with Albite at this locality.
Quartz3 photos of Muscovite associated with Quartz at this locality.
Schorl2 photos of Muscovite associated with Schorl at this locality.
Beryl1 photo of Muscovite associated with Beryl at this locality.
Meta-autunite1 photo of Muscovite associated with Meta-autunite at this locality.
Microcline1 photo of Muscovite associated with Microcline at this locality.
Spodumene1 photo of Muscovite associated with Spodumene at this locality.
Smoky Quartz1 photo of Muscovite associated with Smoky Quartz at this locality.
Lepidolite1 photo of Muscovite associated with Lepidolite at this locality.
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Ridgefield, Fairfield County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:81349
Long-form Identifier:1:3:81349:5
GUID (UUID V4):bb1ef348-e68f-4614-834a-89645b1ef82d
Localities for Muscovite in this Region
Casey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA
Titicus Mica Quarry, Ridgefield, Fairfield County, Connecticut, USA
Nearest other occurrences of Muscovite
2.1km (1.3 miles) Casey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA
2.5km (1.5 miles) Titicus Mica Quarry, Ridgefield, Fairfield County, Connecticut, USA
5.2km (3.2 miles) Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield County, Connecticut, USA
8.4km (5.2 miles) Schorl locality, Wilton, Fairfield County, Connecticut, USA
8.8km (5.5 miles) Redding Glen (Redding Ridge), Redding (Reading), Fairfield County, Connecticut, USA
12.5km (7.8 miles) Interstate 84 and US Route 202 interchange, Danbury, Fairfield County, Connecticut, USA
12.6km (7.9 miles) Western Connecticut State College, Danbury, Fairfield County, Connecticut, USA
14.6km (9.1 miles) Kinkel Quarry, Bedford, Westchester County, New York, USA
14.8km (9.2 miles) Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA
14.9km (9.3 miles) Bedford, Westchester County, New York, 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...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)
Finger) and LKA Emeralds, Hiddenite, Alexander County, NC Go On Public Exhibit in New York City. Emeralds............................................ 3 Connecticut ......................................................................................... 3 Ridgefield pegmatite,.....................................Himalaya pegmatite, Mesa Grande District, San Diego County, California. Within a narrow pegmatite small anhe-...Claim (Pala View claim), Pala District, San Diego County, California. Jahns and Wright (1951, p.42) only
Journal (article/letter/editorial)
small hand in forming a mineral club in Nassau County, New York now called the Nassau Mineralogists....February when I visited Branchville and Ridgefield, in Connecticut, while my parents were visiting relatives...for trading. The rest of the day I spent at the Ridgefield Pegmatite chiseling out very deformed quartz...apatite. Collecting in Connecticut My next field trip during March was to the Connecticut River Valley dinosaur...we spent at Gillette Quarry in Haddam Neck, Connecticut. Did not find anything of value since it was
Journal (article/letter/editorial)
Chondrodite TILLY FOSTER MINE, BREWSTER AREA PUTNAM COUNTY, NEW YORK F ew minerals are commonly or uniquely...specimens from the Tilly Foster iron mine, Putnam County, New York, can be seen in many American and foreign...limestone at Coles Brook in Middlefield, Hampshire County, Massachusetts. It is also known from the Bolton...Bolton or Whitcomb quarry at Bolton, Worcester County, where it occurs in densely packed, yellowbrown, rounded...Hinsdale, and Lee, Berkshire County; and at Chelmsford, Middlesex County, Massachusetts. It is reported
Journal (article/letter/editorial)
Washington, DC 20013 pohwatp@si.edu Muscovite Shannon Canyon, Inyo County, California R ocks are made up...particular fondness for muscovite. The texture and earth-tone color of muscovite crystals seem to be a...from the old Russian province of Muscovy, where muscovite was used as window glass. In the late eighteenth...to more than 11.0 weight percent (Fleet 2003). Muscovite is one of many phyllosilicates, which are also...phyllosilicates—exemplified by the mica group, of which muscovite is one of the more recognizable members—is due
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 (article/letter/editorial)
Heterosite- Purpurite Locality in Litchfield. Connecticut The minerals heterosite-purpurite are relatively...at least, are particularly so in the state of Connecticut. The only Connecti­ cut locality noted by Sohon...also found in the famous Branchville Quarry near Ridgefield. A fortunate find in 1974 indicates, however...may be less rare than supposed in Connecticut. The Litchfield County location where heterositepurpurite...contains a mass of purpurite, manganapatite and muscovite mica in a matrix of white feldspar with thin veins
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...Roxbury Falls, in Southern Litchfield County of western Connecticut. Mrs. Scheffer's crystal is one of the
Report (issue)
Uranium occurrences in non-sedimentary rocks of Connecticut ......... 6 Table 3 Uranium occurrences in...Uranium occurrences in non-sedimentary rocks of Connecticut...................................11 Figure 4...deposit occurs as a thin seam in graphitic Cleburne County. The property is, about 11.2 SINE phyllite which...Name Location No. Source of information Fairfield County. Short distance northeast of East Village...just beyond the old canal. Schairer, 1931. Fairfield County. Proceed up hill Cameron, et on Portland Ave
Journal (article/letter/editorial)
thin-bedded white quartzite showing scattered flakes of muscovite along fracture planes; it breaks easily into rhomboid...microcline and some are clouded; 3-5 all secondary; muscovite allanite apatite biotite pyrite hypidiomorphic...southernmost, the New York City and Westchester County metamorphic zone, parallel belts of metasedimentary...75-80' RIDGEFIELD 150-200' IEKSKLL(POUGHQUAG QUARTZITE 60' L«CRUGERS 50'-55' WESTCHESTER COUNTY CONNECTICUT... Structural and petrologic studies in Dutchess County, New York, Pt. I: Geol. Soc. America Bull, v. 47
Journal (article/letter/editorial)
week-end Workshop in October, devoted to silicates. CONNECTICUT A Trip through the Northwestern United States...with numerous slides, By Ernest Hewitt, Ridgefield Connecticut, was enjoyed by the Danbury Mineralogical...Society members and guests. - - - - The Middlesex County Mineral Club, Inc. Moodus, had a special program...subject of a recent meeting. GEORGIA The Cobb County Gem and Mineral Club, Marietta with 23 members...Gem Lapidary and Mineral Society of Montgomery County, Wheaton, a recent program consisted of movies
Journal (article/letter/editorial)
Collection. There are about the last few years in Connecticut alone 30,000 items in this collection and a we...Michigan, Bancroft, Canada and Nova The Litchfield County Mineral Club Scotia to show the members of the...summer, making their head- ontology. Fred Jones of Ridgefield, quarters at the Ottawa House in Parrs- Conn...used in area inks and other public places. E CONNECTICUT The New Haven Mineral Club conducted a panel...Kent was the first prize winner of the Rockland County Mineral and Gem Society, Inc., Suffern, "Bragging
Journal (issue)
.................268 Some Old Localities in Connecticut. By Wilbur J. Elwell ............270 Selenite...granite) Montmorillonite Morganite Mosandrite Muscovite Narsarsukite Natrophiiite ( Neotantalite Neptunite... ROCKS and MINERALS 270 SOME OL.D LOCALITIES IN CONNECTICUT F s G By WILBUR J. EWELL During the past...travelled 21,415 miles, and visited localities in Connecticut, New York, New Jersey, Rhode Island, Massachusetts...crystals. In the extreme northwestern corner of Connecticut, around Kent, South Kent, Lakeville, Salisbury
Report (chapter)
example, in Fig. 2 five minerals (K-feldspar, muscovite, illite, quartz and kaolinite) are plotted within...consider the assemblage quartzkaolinite-K-feldspar-muscovite-dolomite. This was one of a number of synthetic...K-feldspar + kaolinite = muscovite + quartz [ AI203 ] quartz + muscovite = K-feldspar + illite Fig...in units of molecular proportions. quartz + muscovite + kaolinite = illite. Kaolinite v [ SiO2 ]...3 4 5 6 7 8 Kaolinite Quartz K-feldspar Muscovite Dolomite Density 2.62 2.65 2.59 2.84 2.87 31
Report (issue)
Island) New York City .... . 12 Smoky Quartz and Muscovite, Manhattan Island, New York City . 13 Quartz,............................... 22 Spinel, Orange County, N. Y........................................................................................ Muscovite, Manhattan Island, New York City................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
Book (volume)
.........................................94 Connecticut ..............................................................548 Table of Maps Page Alabama County Map ...................................................................................4 Alaska County and Stream Map ......................................................................22 Arizona County Map ................................................................................49 Arkansas County Map ..........................................
Journal (issue)
Keith The Minerals of the Zinc Hill Mine, Inyo County, California......................................... 110 by Jack Crowley The Bertrandites of Connecticut................................114 by William...Hiddenite and Emerald mine, near Stony Point, Alexander County, North Carolina. Found in 1971, this group of crystals...over the years, mined commercial-grade feldspar, muscovite and beryl at the Waisanen, Nubble, and Bumpus...“Sulphur Hole” in the Calico Mountains, San Bernardino County, California, in 1959. The mineral occurred in a
Journal (article/letter/editorial)
Hartfi rd, and Deerfield rift basins, northeastern USA Peter C. van de Kamp a,*, Bernard E. Leake b,c "..." 1750 CabernetLane, St. Helena, CA 94574-1604, USA b Department of Geology andApplied Geology, The University...Newark and Hartford rift basins of the northeastern USA in the Upper Triassic and Lower Jurassic, soda-tich...rocks along a northeasterly trend in the eastern USA and Canada (Ratcliffe, 1971; Cousminer and Manspeizer...Rushland, Pennsylvania; 12 = Passaic Formation, Ridgefield Park, 2 km east of exit 66 on Highway 1-80; 13
Report (chapter)
K-feldspar Calcite Ankerite Dolomite Siderite Muscovite Illite Smectite Kaolinite Chlorite Zircon Barite...this study chlorite is considered to be absent. Muscovite and illite are also determined together by XRD...of the rock. While white mica (assumed to be muscovite) is known to be present in a very small amount...Geochemistry Symposium, Schlumberger-Doll Research, Ridgefield, CT. Paper K. BURRI, C. 1964. Petrochemical calculations...Geochemistry Symposium, Schlumberger-Doll Research, Ridgefield, CT. Paper J. FANG, J. H., KARR C. L. & STANLEY
Journal (article/letter/editorial)
Geophysics,Yale University, P.O. Box 6666, New Haven, Connecticut 0651I, U.S.A. Ansrucr Naturally occurring potassium...contribution of K., radiation, it is often * Muscovite, East Morris, C,onnecticut. difficult to clearly...caption for reffrom the (331) reflection. For a 2M, muscovite structure, erences),measuredabsorption frequenciesfrom... K-O,""".: 3.530 - 0.00602' R'z:0.72. (3) muscovite Using the appropriate IR and XRD measurementsfor...of micas showsgood agreementin some cases(e.g.,muscovite) and considerabledifferencesin other cases(e.9
Book (volume)
.........................................80 Connecticut ...............................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy
Book (volume)
.........................................80 Connecticut ...............................................rights, so remember you were told. If in doubt, a county map will tell you who the legal owner is. Good...gemmy qualities for cutting and polishing. AUTAUGA COUNTY PRATTVILLE, N. 6 mi., and just E of the Birmingham...were well known to prehistoric Indians.) BARBOUR COUNTY BAKER HILL, SE 1 mi. : 1 in a deep ravine, as a...deep red to variegated⎯ocher. BIBB COUNTY GENERAL AREA: c county gravel pits along the Cahaba R.⎯gemmy
Journal (article/letter/editorial)
AD only word a 72c DINOSAUR TRACKS FROM CONNECTICUT VALLEY—Genuine, Limited quantity identified...Room. Jim's Gems, 1 2 8 Paulison A v e . , Ridgefield Park, N. J. 07660 RECEIVE ING A (201 ) OBSIDIAN...jewelry mineral $6.50 — mineral museum. Connecticut" Brewster, N e w BRISTOL, day, books, for...intergrowth $3.00, featuring rare pink hydro-muscovite matrix $ 4 . 5 0 . C o m p l e t e set above for...Guides. - tages in and and Post Topographic-County Sat. 9 A . M . ice, - Colorado. — briel,
Report (issue)
Department of Environmental Conservation (NYSDEC), county agencies, and U.S. Geological Survey National Water...Schneiderman of the NYCDEP and Sam Wear of the Westchester County Planning Department for providing land-use data...Titicus River nr North Salem Titicus River nr Ridgefield Type of measurement LF LF LF LF LF LF LF LF...Gneiss RIVER OR STREAM Muscovite-biotite-granitic Gneiss » 13 CROTON SYSTEM Muscovite-biotite Granodiorite...Granodiorite |p RESERVOIR Muscovite-biotite Granite ,'. LAKE OR POND Fotdham Gneiss Bedford Gneiss Biotite Augite
 
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