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


Locality type:Quarry
Classification
Species:Gehlenite
Formula:Ca2Al[AlSiO7]
Comments:Tiny crystals in lens-like bodies of calc-silicate rock in the host Collins Hill Formation. Optical and X-ray study by Waldemar T. Schaller at the USGS indicate gehlenite, associated with diopside, grossular, wollastonite, and spurrite.
Habit:tetragonal prisms
Colour:light brown
Abundance at site:Very Rare
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gehlenite data
Locality Data:Click here to view Strickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
Data Identifiers
Mindat Occurrence Record ID:917127
Long-form Identifier:1:3:917127:5
GUID (UUID V4):507a5529-8dd7-4851-bc76-0f3fd085e9e2
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
torbernite, garnet, and emerald crystals from Mitchell County, North Carolina, and large crystallized pyrite...tourmaline crystal from Bachelor's Ridge, Saratoga County, N. Y. Meeting oJ Nor. 5, 1941 Mr. E. A. Maynard...excursion to the Strickland and Schoonmaker quarries on Collins Hill near Portland, Conn. The usual minerals...CaSiOyFeSiO3 pgoxenes and pyroxenoids and the gehlenite-iron ackermanite melilites in the quaternary system...Minot; as weII as biotite crystals from Standpipe hill. These specimens were exhibited along with other
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 ยทwas found in pegmatite. It was a perthitic microcline crystal measuring
Journal (article/letter/editorial)
Department of Geology, Portland State University, Portland, Oregon, 97207-0751, USA 2 NASA Headquarters...3E46, 300 E Street, SW, Washington, D.C., 20546, USA 3 Western University, Department of Earth Sciences...New Mexico, Albuquerque, New Mexico, 87131-0001, USA Abstract: Meteoritical Bulletin 101 contains 2639...Alkali Flat 32ยฐ18.360โ€™N, 108ยฐ54.228โ€™W New Mexico, USA Found: 2011 Mar 7 Classification: Ordinary chondrite...Anthony Gap 32ยฐ0โ€™21.04"N, 106ยฐ33โ€™37.02"W Dona Ana County, New Mexico, United States Found: 8 Oct 2011 Classification:
Journal (article/letter/editorial)
the instances of the Kilsyth-Croy sill,4 Garabal Hill, 5 etc., are not relevant to the point at issue...mixture of anorthite, pseudo-wollastonite, and gehlenite (?), and that it did not appear on the fusion...F. Cowper Reed on the Manxland shells4 in the Strickland Collection at the Sedgwick Museum, Cambridge
Book (edition)
abbreviations: Rep. (republic), prov. (province), co. (county), munic. (municipio), pref. (prefecture), dept...always included in text, except in the cases of the USA, UK, and the provinces Ontario and Quebec in Canada...Uintah County. Utah. and m (2.B. acanthite group). Monoclinic, C2/m, a,b,c Rio Blanco County. Colorado...Rare-with scorodite in U-bearing lignite in the Caves Hill and Slim Buttes areas, both Harding Co .. South...Menzenschwand Scbwarzwald Mts., in the Sailauf quarry, Spessart Mts., Bavaria. both Germany, and from
Book
phosphorus handbook. Wiley. New York Moore PB (1982) Pegmatite minerals ofP(V) and B(III). Mineral Assoc Can...evaporitic rocks at the Incline, Mariposa County and Big Creek, Fresno County, California. The associated minerals...large masses in pegmatite at several mines in the Custer-Pringle area, Custer County, and at the Etta...Etta mine, Pennington County, South Dakota. Also found in pegmatite at Chanteloube, France; Buranga, Ruanda;...Sukula and Lemnas, Finland; and in several other pegmatite deposits Amblygonite Optical Constants: IX
Journal (issue)
k~ Jo,,, Ja-,ualt,,, 19//.:1. CHIPS FROM THE QUARRY ยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยท--ยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยทยท...Trinidad, in the southwestern part of Las Animas County, is the coal mining center of southern Colorado...shale red, running the particles together, and the County uses this dump material for surfacing road and...along a road with the intention of inspecting a side hill cut a short distance away ; you may find yourself...of the operators. At another point a weathered pegmatite was being operated with a steamshovel. The cassiterite
Book (volume)
publisher. Cover photograph: Fluorapatite, Pulsifer quarry, Auburn, Maine (2.2 cm specimen), Harvard Mineralogical...greater variety of minerals are found in Oxford County, alone, than anywhere else on Earth of comparable...than Maine's, as well. An area smaller than Oxford County in Murmansk Ob last, Kola Peninsula, Russia, has...gem-producing areas in the United States, admittedly. Connecticut has produced a few tourmalines, aquamarines,...However, San Diego County, California, is arguably the most important gem-pegmatite district in North
Book (edition)
Mexico (#2, column 1) and TENNANTITE, Dresser quarry, Walton, Nova Scotia, Canada (13, column 2). ...Memoir 122. "Clay Mineralogy," by R. E. Grim (McGraw-Hill, 1968). "Crystal Data: Determinative Tables," Third...of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...the Fuernrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely disseminated in uraniferous...in the Cave Hills and Slim Buttes areas, Harding County, South Dakota. BEST REF. IN ENGLISH: Thompson,
Book (edition)
Willard Lincoln. Encyclopedia of minerals ~~cbe County Public Library Saguache, Colorado OEMCO For Refere...of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely disseminated in uraniferous...in the Cave Hills and Slim Buttes areas, Harding County, South Dakota. SELECTED REFERENCES: Thompson, M...oil shale of the Green River Formation, Uintah County, Utah, associated with authigenic orthoclase, pyrite;
Book (edition)
Lincoln. Encyclopedia of minerals Sagiiache County Pu blic Library Saguache , Colorado DEMCO For...Photo Editor: Wendell E. Wilson Library Saguache County Public Saguache, Colorado VAN NOSTRAND REINHOLD...of Canada. Clay Mineralogy, by R. E. Grim (McGraw-Hill, 1968). Crystal Chemical Classification of Minerals...of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing...oil shale of the Green River Formation, Uintah County, Utah, associated with authigenic orthoclase, pyrite;
Book
magmatic or hydrothermal origins of elbaite in the pegmatite cavities; the mctamorphic or hydrothermal origins...copper are in the Keweenaw Peninsular. Lake Superior, USA, the largest being 15 x 7 x 3m (approx. 50 x 23 x...occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law twins up to 5 cm in size and...Keweenaw Peninsula near Lake Superior, Michigan, USA. Wires, up to 100 mm (4 in) long, come also from...many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold comes
Book
magmatic or hydrothermal origins of elbaite in the pegmatite cavities; the metamorphic or hydrothermal origins...copper are in the Keweenaw Peninsular, Lake Superior, USA, the largest being I 5 x 7 x 3m (approx. 50 x 23...occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law twins up to 5 cm in size and...Keweenaw Peninsula near Lake Superior, Michigan, USA. Wires, up to 100 mm (4 in) long, come also from...fine gold wires come from Farncomb Hill near Breckenridge, Colorado, USA. Fine crystals were also found in
Journal (volume)
Mines and mineral resources of 7 11 Santa Cruz County, by Henry G. Hubbard 11 Discoveries in the strategic...O'Brien 77 Current mining activity in Plumas County, by C. A. Logan 85 GEOLOGIC BRANCH 88 Current...DISTRICT MINES AND MINERAL RESOURCES OF SANTA CRUZ COUNTY By Henry G. Hubbard* OUTLINE OF REPORT Page...counties created February 18, 1850, Santa Cruz County was first called Branciforte. 1 An amendment passed...Mountains, the original boundaIn 1868 the ries of the county were the same as they are at present. northern
Journal (issue)
....92.50 Midwestern locales P.O. BOX 4041 PORTLAND, MAINE 041 0 1 All Qualities, Prices. Thumbnail...served as The first probings in the Lengenbach quarry BINNA VALLEY. cook while Leopold Jentsch was the...operations. 99% of the material) was carried out of the quarry in wooden The contract with the Englishmen encountered...it hindered the work in the deeper parts of the quarry. iron, not minerals. Only later, at the beginning...from and the English Professor R. H. Solly to the quarry almost Binn participated in the company including:
Journal (article/letter/editorial)
Department of Geology, Portland State University, Portland, Oregon, 97207-0751, USA 2 NASA Headquarters...3E46, 300 E Street, SW, Washington, D.C., 20546, USA 3 Western University, Department of Earth Sciences...New Mexico, Albuquerque, New Mexico, 87131-0001, USA Abstract: Meteoritical Bulletin 102 contains 3141...is named after a breached dam near Ariah Park, County Bland, Parish Mandamah, 44 km from S of West Wyalong...Valley 40ยฐ25.318โ€™N, 117ยฐ18.970โ€™W Lander County, Nevada, USA Found: 2011 Dec 29 Classification: Ordinary
Book (edition)
Yale University. Eugene Alexandrov: Hamden, Connecticut. Eric Asselborn, M.D.: Montrevel-en-Bresse, Ain...and Geophysics, Yale University, New Haven, Connecticut. James A. Ferraiolo: Bowie, Maryland. Michael...Geology Library, Yale University, New Haven, Connecticut. Luiz A. D. Menezes: Belo Horizonte, Minas Gerais...Sheldon Thompson: R. T. Vanderbilt Co., Norwalk, Connecticut. Kenneth M. Towe: Dept. of Paleobiology, Smithsonian...M. J. Buerger (1958), The Powder Method, McGraw Hill, New York. (B) Bunn, C. W. (1961), Chemical Crystallography
Book
are reported by county of occurrence. Map 1-2 shows the county boundaries and county names. When possible...,o Map 1-2. Outline map of California showing county boundaries. __ _) 4 MINERALS OF CALIFORNIA...in placers of the Potholes District of Imperial County, near the Colorado River about 10 miles north of...reported from San Ysidro, San Diego County, in 1828 ; from Los Angeles County, San Francisquito Canyon, in 183...183 5; and in the Piru District, Ventura County, in the early 1840s. Then in 1848 the discovery of gold
Book
charindustrial resources such as abrasive materials and Portland cement. A directory will guide traveling mineralogists...Mineralogy ; Human and Vertebrate Minerals; Metallurgy; Portland Cement Mineralogy; Resin and Amber; and Synthetic... P fen to f atto a m= nm= 1 10 A (see Portland Cement Minerion-exchange properties of Zeolites...Publishing Scripta Company, Washington, DC 20005 USA. Acta Chemica Scandinavica, 1947-, Munksgaard, Noerre...Ohio 43214, USA. American Chemical Society, Journal, 1879-, Washington, DC 20036, USA. American Crystallographic
Corporate Document (Series)
a broad reference such as 'Pieman River' or 'Middlesex' has been retained due to a lack of more specific...least one sample so-labelled is probably from Broken Hill, NSW. Catalogues of the major mineral finds have...Cleveland tin deposit, Avebury nickel mine, Colebrook Hill copper-bearing axinite skarn and Mt Ramsay tungsten...in the 1880s and 1890s, including the Colebrook Hill copper mine south of Rosebery and the Balfour copper...clinochlore), based on specimens from Stichtite Hill,near the Adelaide mine at Dundas. AS. Wesley, the
Book
species are reported by 1-2 shows the county boundaries and county names. When possible, locations of mines...within a township is illustrated by Figure 1-1. county of occurrence. Map *M. Fleischerโ€™s 1980 Glossary...Map 1-2. Outline map of California showing county boundaries. 4 MINERALS OF CALIFORNIA R5W i...first District of Imperial Yuma, Diego County, County, near the Colorado River about 10 miles north...San Ysidro, San Arizona. 1828; from Los Angeles County, San Francisquito Canyon, in in Then in on the
Report (volume)
cientifica Circular Classe classification Company, County Collections Committee Communications Comparative...Condor vols. 30-41, 1928-39. Santa Clara, Calif. Connecticut Academy of Arts and Sciences Transactions vols...vols. 30-33. New Haven, Conn. Connecticut Geological and Natural History Survey Bulletins 45-47, 49-60...Proceedings [printed in the journal] vols. 53-55. Chapel Hill, N. C. Engineering and Mining Journal vols. 127-140...Oregon Country Geological News Letter vols. 1-5. Portland, Oreg. Geologische Rundschau Bande 20-23. Leipzig
Book
Charlu et al. (1981) measured the enthalpy of the gehlenite-akermanite solid solution and found some excess...components, e.g., Al 2 0 3 or jadeite in pyroxenes or gehlenite in melilite. Therefore the compositional plots...body. Melilite Melilite is a solid solution of gehlenite (Ca 2 AI 2 Si0 7 ) and akermanite (Ca 2 MgSi 2...(1981)Thermochemistry of synthetic Ca 2 AI 2 Si0 1 (gehlenite) Ca 2 MgSi 2 0 7 (Akermanite) melilites, Geochim...135 neprosrachnykh mineralov meteoritov Norton County i Staroe Pes'yanoe, Meteoritika No. 25, 96-128
Book
Early, 1902Applied clay mineralogy. New York, McGraw-Hill, .1962, _ 422 p. illus. 24 cm. (International series...URBANA, OF OF GEOLOGY ILLINOIS ILLINOIS McGRAW-HILL BOOK COMPANY, INC. New York Toronto 1962 London...APPLIED CLAY MINERALOGY Copyright ยฉ 1962 by the McGraw-Hill Book Company, Inc. Printed in the United States...Mechanics, 3, 8-12 (1948). -, โ€œClay Mineralogy,โ€ McGraw-Hill Book Company, Inc., New York (1953). Hadding, A...(1923). Hauser, E. A., โ€œColloidal Phenomena,โ€ McGraw-Hill Book Company, Inc., New York (1939). LeChatelier
Journal (article/letter/editorial)
Department of Geology, Portland State University, Portland, Oregon, 97207-0751, USA 2 U.S. Geological Survey...Survey, MS 954, Reston, Virginia 20192, USA 3Western University, Department of Earth Sciences, London...New Mexico, Albuquerque, New Mexico, 87131-0001, USA Abstract: Meteoritical Bulletin 103 contains 2582...Mountain 34ยฐ24โ€™53.47"N, 116ยฐ47โ€™18.91"W California, USA Found: 20 Oct 2012 Classification: Ordinary chondrite...(CyDL 319) 35ยฐ4.581โ€™N, 116ยฐ45.871โ€™W California, USA Found: 2006 Sep 17 Classification: Ordinary chondrite
 
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