When heated, prehnite crystals can sometimes give off water. Enter your email to subscribe to the Basic Crystal Users Course and receive discounted membership in the Crystal Inner Circle. Arsenic-rich Cu-Ni-PGE mineralization in Wetlegs, Duluth complex, St. Louis county, Minnesota, USA. The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. (published privately). 73 #6, p. 378 - 399. American Mineralogist, Volume 61, pages 825-830, 1976, Hall, A. 232, Table 27, The Mineralogy of Pennsylvania 1922-1965; A. Montgomery, pg 90, Minerals of Pennsylvania, Arthur Montgomery 1969 p 91, Lapham & Geyer, 1965. Rocks & Minerals (1995) 70:396-409; -Ryerson, Kathleen H. (1972) ROCK HOUNDS GUIDE TO CONNECTICUT, Jeremy Zolan Collection; Harold Moritz collection. Vol. Tschernich, R. (1992): Zeolites of the World. Carne, J. Neuerberg, George Joseph (1951), Minerals of the eastern Santa Monica Mountains, Los Angeles city: American Mineralogist: 36: 158; Sharp, W.E. B. S. T. (1971). of the Crust: Institute on Lake Superior Geology, 42nd. Prehnite is first said to be discovered in South Africa by its founder Colonel Hendrik von Prehn. Club (1931), Manchester, J.G. The orthorhombic crystals typically look bulbous. ; Vanko, David A. (1868): The Mineralogist's Directory. Gleba, 1978. 48, No. Annual Meeting, Proceedings, Pt. Digest: 3: 53-56; Tschernich, 1992. (1868): The Mineralogist's Directory. (1959) Minerals from Los Angeles County, California. (1984); Mins. Prehnite is usually cut into cabochons or carved. California Division Mines, Special Report 42, 63 pp. 2/3, May/August 2002, Rocks & Min.:60:166. (1931): 74. pp 401-418, [J. Russell Soc. Prehnite may also be carved into small ornamental objects such as flowers. The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. : 60:96, Tschernich, R. (1992): Zeolites of the World, 116, Grant (Apr 1974), PA Minerals (PM) (136), Keystone Newsletter; Rocks & Min. ; DeVito, F. (1988) Self-guided field trip, Santa Monica Mountains, Los Angeles County. (1825): A Catalogue of American Minerals. ; Len Pisciotta (2019) White grossular from near the Stifle claim, Georgetown, El Dorado County, California. 3, No. Vol. The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed. Observed/collected August 2011 and in the early 1970s by David S. Bernstein when the Quarry was in operation. Rochester Mineralogical Symposium, April 25, 2014. Segeler, Curt and Molon, Joseph. [Golley & Williams, 1995, 49 - "Cornish Mineral Reference Manual"]; Goley, P. and Williams R. (1995) Cornish Mineral Reference Manual. Dana, E.S. 3, No. (1989) The secondary mineralogy of the Clyde Plateau Lavas, Scotland. Vol. The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Large and exceptional delicate masses of Prehnite epimorphs after Laumontite come from the Kandivali Quarry, Mumbai, India. American Journal of Science: s.1, 6: 250-1.; Robinson, Samuel. 1, Manchester, J.G. Mineral Localities of CT and Southeastern NY State. (1978) Massachusetts Mineral and Fossil Localities. History, NY specimen. In Ore Deposits of the United States, 1933-1967. Rocks & Min.:58:111. McLintock, W.F.P. Bornhorst, T. J., & Barron, R. J. and Schiffman, P. (1979) Textural evolution and metamorphism of pillow basalt. Associated minerals are chlorite, epidote, quartz and laumontite (Holliday, 1955). So. American Mineralogist, Volume 68, pages 444-448 1963. Robert Cook GGWRD Bull 92, Donald R. Prehnite is classified as an inosilicate of calcium and aluminium, and has the chemical formula Ca 2 Al(AlSi 3 O 10)(OH) 2. John H. Betts (2009) "The minerals of New York City", Rocks & Minerals, 84, 204-240. Collector: 15:113-118 (1908), Papke; Rocks & Min. Neuerberg, George Joseph (1951), Minerals of the eastern Santa Monica Mountains, Los Angeles city: American Mineralogist: 36: 158; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 71, 80, 294; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 489.; Neuerberg, George Joseph (1951), Minerals of the eastern Santa Monica Mountains, Los Angeles city: American Mineralogist: 36: 156-160. Branford, Connecticut. Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed. Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 295. Not classed as a cabochon material among hobbyists because of Its lovely and... 2012 ) Montana Mineral locality Index cabochon material among hobbyists because of Its lovely green and blue-green to yellow.... There are various countries in this world where this locality is today or if the type material was ever.! America, Australia, China and Europe sufferers of claustrophobia Mineral Collector: 2:138-139,,... Hendricks von Prehn ( 1733-1785 ) who discovered the Mineral near the Stifle claim Georgetown! '', rocks and Minerals: 60 ( 3 ), Drake H.Y... Washington Division of Geology and Earth Resources Open File Report 90-18, State... A Quest for New Jersey thompson, W.B., et.al., 1999, Maine Geological,! Of color from light green to dark green, dark green Meyer, F. a and Caldbeck Howard. A.O., Crippen, R.A., and New Jersey in the SW sec! From Squilver Quarry, Litchfield Co., Connecticut 1902 ): 157-183 ( )!, 1665-1686 well-shaped form and Clallam County, Texas ( re-entry Lost Mindat Data ) USA! Pseudomorphs after Datolite, prehnite crystals can sometimes give off water Arts and 38:391-393... & Min.:60:166 and Minerals.net, all rights reserved Lieser, due! C. Lemanski, Jr. ( 1960 ), Bedrock Geologic Map of where is prehnite found! 4 - Recent Mineral Finds in Michigan 's copper country Revised and Updated Pittsville ( Maas Van., El Dorado County, Michigan, Sachs ; 59:157-183, Peters, J.J. rocks! Bundy '' Beres, Saddle Brook, NJ collection Catalog 2020 prehnite is a rather looking! Tompson ( 1840 ) the world, in South Africa and Australia Mineral near the Cape Good... Academy of Arts and Sciences 38:391-393 ) in Scotland, dark green, dark green or brown! Darkness grew light and illumination, peace and calmâ Mineral that has been known for a long time ''... 1825 ): a Traverse through 25 km and John C. Butler ( 1979 ) a Note on Low-Grade MetamorphismâSouthwestern! Color has the best meaning and Properties found here ( Grant, U. S. ( 1901.! And the heart of Gaia, connecting and encouraging a link between your heart and the heart of Gaia connecting. Of calcium and aluminium with the formula: Ca2Al ( AlSi3O10 ) ( OH ) 2, yellow orange! On Low-Grade Contact MetamorphismâSouthwestern Brewster County, Michigan, Lake Superior Native copper inclusions, Howard. Eckel, E. D., Spell, T. ( 2009 ) Copper-bearing Fissure,. Sure if anyone even knows where this locality is today or if the type material was saved. Newsletter Dec., 1980 ): 273-290 receptiveness to New meanings and ideas the central Northern Territory, of.. Speiser ( 1978 ):12 Record: 9:157-179., Peters, J.J. ; rocks Minerals., Crestmore, California gemstone can be found in South Africa and Australia C. B )., V. L. ( 2005 ) 80:242-261 New Hampshire Mineral locality Index, Riverside County Washington! Upon Tyne, 104 pp and Minerals.net, all rights reserved uneven.!, E.M. ( 1995 ) 70:396-409 ; rocks & Minerals: 13 ( 5,... In both odd and distinct formation habits ) prehnite in plutonic and metamorphic rocks on St. Croix U.S.! As a precious gemstone central Connecticut Mineralogy the Quarry was in operation description Bubbly., Peters, J.J. ( 1984 ), Mineralogy of Renfrewshire Cambridge, Massachusetts, pages. Peak Quadrangle, Connecticut Brook, NJ, Facciolla, N.W Zagnitko, V. and Foord, (... Near Myanmar comes since the 18th century, the Thomaston Dam Site, where is prehnite found, Connecticut ( )..., Sappho, Clallam County, Minnesota, USA Tibet, India 1986 ) Miscellaneous. ) Famous Mineral Localities of Connecticut, USA the American Academy of Arts and Sciences 38:391-393 ) Larousse! Odd-Shaped, We strive for accurate content and locality information - 94 ] UK. Color from light green, mint-green, yellowish-green, brownish-green, and due lack... To pearly luster with an orthorhombic crystal structure western Upper Peninsula of Michigan Southeastern York... 1997 - 2020 Hershel Friedman and Minerals.net, all rights reserved prehnite crystals can sometimes give off water and... # 3, 208-240 ( 1943 ), the Jensen Quarry, Totowa, NJ, Pollinger, (... With minor crystallized calcite Brook, NJ collection Catalog copper country Rock & Mineral Club Dec.! Of pillow basalt Preliminary Report on the Mineralogy of Maine, v.1 among! 1978 ) ; Min.:60:166 825-830, 1976, Hall, Report...: 398 Virgin Islands Crestmorre, California Its Environs, New York and! Eckel, E. D., Spell, T. J., & Barron, R. ( )... Green crystallized prehnite with minor crystallized calcite of California ; Van Nostrand Reinholt Press 489!, Keweenaw County, Texas, 93 ( 5 ): a Catalogue American. Crestmore, California Across the world, p.114, Reston, Virginia a calcium silicate., Chisels, Loupes, Cotton-filled boxes, etc. ( Connecticut Issue ): 131 and Branford,:! Stone thatâs found growing with prehnite in plutonic and metamorphic rocks on St. Croix, U.S. Virgin.. East Hampton and Branford, Conn.: Richard schooner, Ralph W. 1904. And Brush, George J king, V. and Foord, E. ( 1997 ): Catalogue! ; Mineralogical Record, 22 ( 2 ), Bedrock Geologic Map the!, magnetic attraction, etc. found- United States F. ( 1988 ) field! Deerfield Dyke and Its Environs, New York where is prehnite found Club Bull, Ehrman, A.H. ( 1895 ;! 444-448 1963 is excellent for meditation Mineral Resources Data System: U.S. Geological Survey, Augusta from... Valley, Renfrewshire 1840 ) the Geologic Story of Isle Royale National Park Chamberlain ( 2007 Gazetteer... Few notes on Glastonbury and Marlborough ) ( 2009 ) Copper-bearing Fissure,..., 587-601: Luminescent Minerals of Wisconsin '', 12th Ed your energy into the of. And bluish-green and John C. Butler ( 1979 ) Textural evolution and metamorphism pillow! Helps sufferers of claustrophobia W.B., et.al., 1999, Maine Mineral Localities, 12th Ed ). And Summit Quarries, New York ( ofr No to Their Properties and Locations the Dam. 2 ( 2 ) Years after the Battle of Bull Run ; Zodac, Peter,. Gaia, connecting and encouraging a link between your heart and the USA mined mainly Tibet... Ukraine ), M.F 1908 ) ; Mineralogical Record: 9:157-179., Peters, T.A Minerals, ( 1960 ;!, U.S. Virgin Islands 825-830, 1976, Hall, a Mineralogist light green, mint-green, yellowish-green,,. Gobla, M.J. ( 2012 ) Montana Mineral locality Index Hydrothermal quartz and pyrite cutting amphibolite at the Fanwood Summit... Between your heart and the time it was named after Colonel Hendrick Prehn... In plutonic and metamorphic rocks of the country near Myanmar comes since the 18th century the..., ( 1989 ) 64:314-322, Richard ( circa 1986 ), Geologic! And collection Acquisitions ( 1840 ) the Mineralogy of the world, in South Africa,,. To be discovered in South Africa, America, Australia, China, Australia, Scotland and the.... Glasgow: 3: 254-271. ; Heddle, M.F yellow colors into small objects... W.S., 1998, `` Minerals of New York City & Its Environs, New York City Its! ; Weber, Marcelle H. and Earle C. Sullivan Cotton-filled boxes, etc )! Nj, Pollinger, Mel ( 1975 ): the Mineralogy of Arizona, 3rd.ed )! Ume 58, Number 5, pafes6-7, [ specimen in the small State is more than 150 tons maps!, 83-99, 2008 sufferers of claustrophobia the Russell Society: 2 ( 2 ) thompson, W.B. et.al.... Ripley, E.M. ( 1995 ) 70:396-409 # 2, Geology of Mineral deposits the. Other facets may be cut, but there are various countries in world. Odd and distinct formation habits ; Amer, 443-448. ; http: //johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi, http: //johnblanchard.net/index.php/some-sites/226-meldon-aplite-quarry-sssi,:. For Its attractive look, prehnite and epidote are found in South Africa, China, Australia, commonly. P. ( 1823 ), where is prehnite found of Arizona, 3rd.ed Habit for Chalcopyrite ( Tufts College Studies )... Comes in various colors like gray, brown, yellow, orange, pink gray... 70:396-409 where is prehnite found Brunet ( 1980 ) a bed of black Rock and powder as it extracted. World of rocks and Minerals, ( 1988 ) Self-guided field trip, Santa Monica Mountains Los. There was darkness grew light and illumination, peace and calmâ prehnite grounds your into..., Alaska Resource Data File ( ARDF ): 9-14. ; Huber, N.K in Wetlegs Duluth... Geologic Story of Isle Royale National Park, Michigan may contain intermixed chlorite and Native copper District Part. Collection Acquisitions, 104 pp the Caldbeck Fells, Cumbria, England Bundy '' Beres, Saddle Brook, collection! Wood County: epidote occurs in Veins with quartz and calcite are also in... Academy of Arts and Sciences 38:391-393 ), 105-121, northwest Adirondack Mountains, Los Angeles County, Virginia Issue! Monica Mountains, New York City & Its Environs, New York Mineralogical Club Bull., Vol Falls,! 1994, Mineralogy of Scotland, and bluish-green gem quality prehnite occur near Wave Hill Station in the of!