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Phlogopite from
Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA


Locality type:Quarry
Classification
Species:Phlogopite
Formula:KMg3(AlSi3O10)(OH)2
Comments:Schooner (1958) speculates that the brown mica in the calc-silicate units in the host Collins Hill Formation is dravite. In Schooner (circa 1985) he writes that "blocks of intergrown dravite and phlogopite have been collected; they came from the pegmatite near its contact with schist". In both cases, analytical data are lacking.
Habit:micaceous
Colour:dark brown
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Rare
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Phlogopite data
Locality Data:Click here to view Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:96226
Long-form Identifier:1:3:96226:9
GUID (UUID V4):5e8142fb-7b59-4118-8d9b-86f443f29c88
Nearest other occurrences of Phlogopite
13.0km (8.1 miles) Gillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
16.9km (10.5 miles) Hewitt Gem Quarry (Herb's Gem Quarry; Sawmill Quarry), Haddam, Middlesex County, Connecticut, USA
17.3km (10.7 miles) State Route 9 rock cuts, Haddam, Middlesex County, Connecticut, USA
40.8km (25.3 miles) Waterbury Road quarry, Thomaston, Litchfield County, Connecticut, USA
41.3km (25.6 miles) Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA
59.0km (36.6 miles) Colebrook Dam and Colebrook River Lake, Colebrook, Litchfield County, Connecticut, USA
62.3km (38.7 miles) Corporate Drive, Long Hill, Trumbull, Fairfield County, Connecticut, USA
62.8km (39.0 miles) Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA
62.9km (39.1 miles) Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
68.7km (42.7 miles) U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
References
Reference Search (possible matching items)
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 (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
Journal (issue)
6 (Right) - Sheet Copper – Flambeau Mine (Rusk County, WI) Figure 2—Dr. Weis’s Personal Memorabilia... If you have ever had the desire to detonate a quarry blast or create an earthquake you will be able...Figure 7—Manganoan Calcite – Montreal Mine (Iron County, WI). Figure 3 (left) - “Wonderful World of Agates”...mineral specimens from the Montreal Mine (Iron County, Wisconsin). Most of the specimens came from the...An unusual specimen from the Flambeau Mine (Rusk County, Wisconsin) is a sheet copper (figure 6). One of
Journal (article/letter/editorial)
cookrob@auburn.edu URANI NITE Strickland Quarry, Portland, Connecticut Topsham, Maine etals and metallurgy...8-mm uraninite on matrix from the Strickland quarry, Portland, Connecticut;Bruce Jarnot specimen, Jeff Scovil...from the Number 20 mine near Spruce Pine, Mitchell County, North Carolina. Author’s specimen and photo. ...Maine pegmatites, including the Groves quarry, Auburn; Tamminen quarry, Greenwood; Dunton and other quarries...quarries near Rumford; and the well-known Swamp No. 1 quarry occurrence at Topsham where brilliantly lustrous
Journal (article/letter/editorial)
pohwatp@si.edu Muscovite Shannon Canyon, Inyo County, California R ocks are made up of minerals. Some...the littleknown locality of Shannon Canyon, Inyo County, California. The specimen is 3 × 4 cm and was collected...muscovite is sometimes mistaken for biotite and phlogopite. The streak is white (Anthony et al. 1995). Muscovite...2.8 cm high, from the Strickland quarry, Portland, Middlesex County, Connecticut. This is typical of the...Santo Niño mine, Patagonia district, Santa Cruz County, Arizona. Barbara Muntyan specimen, Jeff Scovil
Journal (article/letter/editorial)
K E QUADRANGLE, WARREN COUNTY, NEW Y O R K . V. H. Collins and J. S. Collins, R . D . 1, Old Trail Road...along a contact between serendibite and layers of phlogopite crystals. Further investigation of collected...uvite) and pink and blue spinel in addition to phlogopite and several unidenti­ fied euhedral minerals...Schaller, W. T . 1932. Serendibite from War­ ren County, New York and its paragenesis. Amer. Min. 17:457-465...R I T E IN T H E LOCKPORT FORMATION I N MADISON COUNTY, NEW Y O R K . W. P. Dossert and S. C. Chamberlain
Journal (article/letter/editorial)
QUARRIES AND MINERALS OF SOUTH GLASTONBURY, CONNECTICUT. J. H. Betts, 215 W. 98th St., #2F, New York...locations is an area of old pegmatite quarries in South Glastonbury, Connecticut. This region was exploited...Mid196 ROCKS 81MINERALS dletown-Portland, Connecticut, pegmatite district. They are found in South...Glastonbury, about 5 miles north-northeast of Portland, just east of Route 17. The area is roughly triangular...the Simpson quarry on the south, the Hollister quarry on the east, and the Howe No. 4 quarry on the north
Journal (article/letter/editorial)
January/February: Gold and quartz, Eagle's est mine, Placer County, California. Tana Daugharthy specimen, Harold and...ovember/Decernber: Fluorite, Blue Circle Cement quarry, Weardale, England. Jesse Fisher and Joan Kureczka...quartz. 118-23; Yaogangxian mine, 258 Chips from the Quarry, M. E. Huizing, 5, 85-87,149-51,213-14,293-95,373-75...49 Collecting the KellerLakePegmatite, Waupaca County. Wisconsin: A New Site for Gadolinite-(Y), T. W...Collector's Note, Collecting the KellerLake Pegmatite, Waupaca County, Wisconsin: A New Site for Gadolinite-(Y)
Journal (article/letter/editorial)
small hand in forming a mineral club in Nassau County, New York now called the Nassau Mineralogists....when I visited Branchville and Ridgefield, in Connecticut, while my parents were visiting relatives in...Ridgefield Pegmatite chiseling out very deformed quartz xls, from the wall of a small quarry above the...broke up a boulder which contained very large phlogopite plates, pyrite, pyrrhotite, small rutile xls...apatite. Collecting in Connecticut My next field trip during March was to the Connecticut River Valley dinosaur
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...1969; Ui radioactivity is 5 to 7 times background. Hill copper mine. RM 1968. Source ol informal Phyllite...occurrences 1n non-sedimentary rocks of Alabama^ Pegmatite Columbite, cyrtolite, Devonian Country rock is
Journal (article/letter/editorial)
They are sometimes found in town libraries or county buildings. Occasionally club members in a community...Artifacts Society, Rock Hill, scheduled a trip to the smoky quartz 10eation near Liberty Hill. RHODE ISLAND A...MillROCKS AND MINERALS eral Club of Lower Bucks County, Fallsington, when they travelled there for corundum...attended by 209 collectors who showed up at the Eureka Quarry. Specimens found were smoky quartz crystals, calcite...at one of their meetings. NEW YORK The ROckland County Mineral and Gem Society, Suffern, enjoyed an informative
Journal (article/letter/editorial)
PEGMATITE MINERALS OF THE UNITED STATES DAVID M. SEAMAN American Museum of Natural History, New York...found in all types of pegmatite from the common granite type to the lithium pegmatite. Many localities have...crystal was noted in the Luella mine near Avon, Latah county, Idaho, which measured 3x3x8 feet. Other large...Dakota. A black crystal from Micaville, Randolph county, Alabama, was 10 inches in diameter and from 3...School Section pegmatite of Fremont county, Colorado. ROCKS AND MINERALS Maine, Connecticut, and California
Journal (article/letter/editorial)
miles long extending from Coosa County thru Talladega and into Calhoun County. Most of the distance it is...Arizona kaersutite comes from Hoover Dam, Mohave County. A % inch black cube of limonite pseudo after pyrite...goldsilver mines at Silverton, San Juan Co., Colo. CONNECTICUT—The following letter, dated May 30, 1954, comes...found at the Swanson Lithia Mine (Haddam Neck, Middlesex Co., Conn.). David Seaman (American Museum of...another one for the American Museum, though the quarry has been posted. I intend to discuss the matter
Report (issue)
Pegmatite Investigations 1942-45 New England By EUGENE N. CAMERON and OTHERS GEOLOGICAL SURVEY PROFESSIONAL...______________________________________ _ Location of pegmatite districts ___________________ _ Previous work...Acknowledgments ______________________________ _ History of pegmatite mining inN ew England _______ _ Mica mining _...deposits _______________________ _ Geology of the pegmatite districts of Maine __ :. . _____ _ Metamorphic...________________________________ _ Geology of the pegmatite districts of New Hampshire_ Rock units ______
Journal (article/letter/editorial)
A Checklist Minerals of Connecticut Although perhaps best known for its garnet, chalcocite, and tourmaline...tourmaline, Connecticut also boasts many other mineral species. BRUCEJARNOT R O . B o x 627 M a r t i n...e , N e w J e r s e y 08836 T he study of Connecticut minerals has enjoyed a long peri­ od of attention...reviews of this mineral list. Dr. Bruce Jarnot, a Connecticut native, has avidly collected both minerals and...collections of Connecticut gems and minerals in existence. 386 R O C K S & MINERALS Two Connecticut localities
Journal (article/letter/editorial)
arrived at the quarry at about 11 A.M. By this time it was very sunny and hot. This quarry is in active...canteens were soon drained and fortunately for us, the quarry had an automatic canteen and we soon filled ourselves...of us took away calcite, graphite and bits of phlogopite mica. Altho we were on the lookout for spinel...mortal injuries. A newly arrived grdup from Connecticut were chased when a child of one of the party...Field Trip a n d Outdoor Meeting, Strickland Quarry, Portland, Conn. June 23, 1 9 5 7 We picked an
Journal (article/letter/editorial)
rakovajf@miamioh.edu Fluorapatite Acushnet Quarry Bristol County, Massachusetts N orth America has produced...anywhere is the “Roebling apatite” from the Pulsifer quarry in Auburn, Maine. Formerly in the collection of...The gemmy, intense purple apatites from this pegmatite mine have made Pulsifer the premier locality for...Acushnet quarry (also currently known as the J. Keating Company stone quarry), Bristol County, Massachusetts...Massachusetts. Rather than a granite pegmatite, the geological environment in which this specimen formed was
Journal (article/letter/editorial)
pohwatp@si.edu FLUORITE Elmwood Mine, Carthage, Smith County, Tennessee R egular readers of this column will...sphalerite, 8.8 cm high, from the Elmwood mine, Smith County, Tennessee. Note the gemmy corners of the cube...pieces are all from the fluorspar district, Hardin County, Illinois. Cincinnati Museum Center specimens,...cubes from Trestia, Transylvania region, Maramures County, Romania, appears to be a complete replacement...to describe is difficult. The Burnt Hill tungsten mine, York County, New Brunswick, is located in a metamorphic
Report (issue)
Alexander Falster, pegmatite specialists from the University of New Orleans in Louisiana (USA), with the lowdown...pegmatites. Most ore beryl occurs in massive pegmatite zones where crystals may reach considerable size...can be found adjacent to the core margin of the pegmatite and in Suggested Chromophores for Beryl Color-generating...crystal has been recorded from the Alger quarry in New Hampshire (USA). The crystal weighed 455 kilograms... 8.4m: The largest beryl crystal at the Bumpus quarry in Maine was 8.4 meters long, 1.9 meters in diameter
Journal (issue)
I; X Contents for August, 1947 CHIPS FROM THE QUARRY .................................................714 NORTH JERSEY MINERAL SOCIETY FIELD TRIP TO CONNECTICUT. By K atherine B . Kanth ......................·························731 REMINISCING ON COLLINS HILL, CONN. By David H . Seaman ................... A. 702 R OCKS AND MINERALS CHIPS FROM THE QUARRY NORTHWEST FEDERATION OF MINERAL SOCIETIES CONVENTION...oilwell located 5 miles north of Fort Cobb, in Caddo County, of western Oklahoma, reached a depth of 17,823
Journal (article/letter/editorial)
chondrodire, fowlerite, jeffersonite, norbergite, phlogopite, tremolite, willemite, quartz and zincite, etc...Committee 1309 Highland Ave., Abington, Pa. Rockland County Mineral and Gem Society Spring Valley, N e w York...York At the regular meeting of the Rockland County Mineral & Gem Society, Mrs. William Jordan of Pearl...month was to Pine Island, Orange County, N.Y., to a limestone quarry; eleven members attended. At the...the July business meeting of the Rockland County Mineral and Gem Society, Mr. Thomas G. Wilfred of West
Journal (issue)
July 1943 PUBLISHED MONTH LY CHIPS FROM THE QUARRY .................................................White Horse Ranch to the Blitzen Valley, (Harney County, Oregon} and on the way I picked up some pieces...looked like slag from a furnace. This was in Grant County, Oregon, about 5 miles from Seneca. I was on a...granite pegmatites are the most common type of pegmatite. They are igneous dikes or \Teins essentially...The largest crystal in the world ·was found in pegmatite. It was a perthitic microcline crystal measuring
Journal (article/letter/editorial)
North America; the rare earth pegmatitesb of Llano County (Texas), Minas Geraes(BraziI), Ytterby (Sweden)...also probably of that age. The Strickland pegmatite at Portland, Connecticut, the near-by Hale deposit (Glastonbury)...Mountain pegmatite at Woburn, Massachusetts,are Devonian in age.7The famous Bedford pegmatite in WestchesterCounty...s The ages of both this and the Branchville, Connecticut, phosphatepegmatite have been determined by the...occur on Mount Royal, Montreal. Intrusions of pegmatite accompanied Paleozoic ore deposition in widely
Journal (article/letter/editorial)
Found Elsewhere? Manuel Robbins Manning Lane Cherry Hill, New Jersey 08003 T A K I N G T H E Q U E S T I...originate from the mines at Franklin or Sterling Hill in New Jersey. But if the question is rephrased...species which fluoresce at Franklin or Ster­ ling Hill can be found in other localities, and will they...The mineral assemblage at Franklin and Sterling Hill is looked upon as unique for a number of reasons...reasons, the mineral deposit at Franklin-Sterling Hill deposit is considered singular, unique. What is
Report (volume)
lepidolite-bearing pegmatite dikes, in schists, in the Ohio City area, Gunnison County, Colo. The microlite...from pegmatite within a few feet of the pegmatite-schist contact in the Strickland quarry, Portland, Conn...samples of uraninite from pegmatite from the Hale quarry, also in Portland, Conn., have an average uranium...found in several pegmatites in Georgia. In Lamar County, yellow and green secondary uranium minerals occur...incrustations on joints and in cracks of a coarse-grained pegmatite. Soddyite and beta-uranophane in close association
 
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