The Agate Explorer - Cuyuna Rock, Gem and Mineral Society
Transcription
The Agate Explorer - Cuyuna Rock, Gem and Mineral Society
Cuyuna Rock, Gem and Mineral Society The Agate Explorer July 2015 Notes from the President I’m really happy that our two picking days have been so successful. People have found quite a few agates, and even two arrowheads! *someone who could mail out the newsletters monthly to approximately 15 members. You can get reimbursed to print them yourself or find somewhere to print them. At this point it doesn’t look like we have enough people able to help at either fair— Pillager or Brainerd. Maybe next year we’ll be able to get enough volunteers, since it would be great exposure for our club. *someone who can maintain the Club website. Have a safe 4th of July weekend; see you at the picnic! Our trip out west is coming together. Are there any suggestions from anyone who plans on going? Ed Opatz Club Information Meeting Place Cuyuna Range Community Center Directions 2 blocks north of stop sign at Hwys. 6 & 210 intersection in Crosby. Meeting in basement on the 2nd Saturday of each month at 2 p.m. unless otherwise noted. Club Dues Kids’ Program Watch for information on field trips this summer. If you have ideas for programs starting in September, call Ed Opatz 320-250-1363. Club Shop Days Since we don’t have regular meetings in the summer call if you wish to use the club machines. Ed Opatz at 320-250-1363. Club Calendar Sun., July 11??? - starolite trip. Blanchard Dam Royalton Sat., July 25—11:30 a.m. club potluck picnic at the Opatz Outpost of Outing. Aug. 24-Sept. 5 (with travel time before and after)—field trip to South Dakota, Wyoming, Idaho, & Montana September 12—speaker on digging for dinosaurs in Glendive, MT Information subject to change. Club Purpose To foster an interest (& encourage young & old) to study earth science, enjoy the art of lapidary, hunting for rocks, and semi-precious stones. We also strive to use what we know and acquire to further educate everyone who has an interest in our hobby. We are a not-for-profit organization. The Largest And Most Valuable Opal In 1956, the largest and most valuable opal in the world was found at the Eight-Mile opal field, in the mining town of Coober Pedy in South Australia. It was discovered at a depth of 9.144 meters (29 feet,) and was named the Olympic Australis opal, due to the Olympic Games being held in Melbourne at the time. It weighs a remarkable 17,000 carats (3450 grams,) and is 99% gem quality. In 2005, the Olympic Australis was valued at AUD $2.5 million. Due to the purity of the jewel, it has been estimated that over 7,000 carats could be cut from the rough stone but, since the rock is so unique, it will be left in its natural organic state. Currently, the Olympic Australis is kept in Melbourne, at the offices of Altmann & Cherny Ltd. http://www.toptenz.net/top-10-record-breaking-gemstones.php Metaphysical & Healing Properties of Gems, Minerals, & Crystals Black Star Diopside: the colors of this stone range from deep blue or green, to nearly black, to white, yellow, and reddish brown; it contains fine inclusions that produce chatoyancy (Cat's Eye); when polished, it displays asterism (a 4 Rayed Star), resembling two or more moving rays of light crossing each other; throughout the history of civilization, Star stones have been especially revered as the dwellings of living spirits, as earth-born eyes that can see into the lives and motives of humans; it has been associated with deep healing and expansion of the heart center; it may help to bring release for those who do not allow themselves to cry; it is said to allow one to recognize that the strength within is greater than any outside opposing forces; it is said to enhance academic learning, while allowing for both humility and respect for superior exhibition of intelligence; it is said that when used with treatment, it may help address physical weakness and psychological disorders; the properties of Diopside also apply. Aurora Borealis Stone: (Mariposite) it is said that due to the molecular structure the energy remains the same with or without Gold being included in each individual piece; called the "stone of the night," as it is said to bring phenomenal and prophetic lucid dreams, visions, and revelations; equalizes the yinyang attributes and thought processes; facilitates clarity in communication between the physical, emotional, and otherworldly realms; helps one to understand questions about "being" and existence; assists one in the alignment with the higher realms; enhances and protects the aura and amplifies the body's energy fields; stimulates mental clarity; activates psychic abilities, deeper meditation, and balancing of the physical body and chakras; cleanses and smoothes the aura; releases negativity from the emotional, physical, intellectual, and spiritual bodies; helps maintain balance in relationships and cooperative efforts; a very powerful tool. A Field Guide to Mineral Collectors By John Betts. All rights reserved. Reprinted with permission of the author. Pebble Pup Always the youngest person on the trip and always the one to get the best specimen, usually lying on the surface where it was kicked by all or the other members on the trip. This article and others can be found at Mr. Betts web site: http://www.johnbetts-fineminerals.com July Birthdays Pat Higgins Ann Lembcke Jackie Carey Paulette Durnam Wallie Barrett Wayne Royston Rod Hanson Keith Lorenson Carol Whirley John Hawkinson Jim Kropp Javon Hemsworth 7/1 (Big 60) 7/7 7/9 7/9 7/16 7/19 7/19 7/23 7/24 7/25 7/25 7/30 July Anniversaries Mark & Kathy Kiel 7/14 Dennis & Vi Rowley 7/20 Duane & Anna Lembcke 7/23 Don’t forget that there are Club t-shirts for sale at the club house for $15. Be an walking advertisement for the Club. Get noticed in public! State by State Minnesota State Gem Lake Superior Agate Kids’ Corner The Physical Properties of Minerals Minerals are identified by analyzing their physical properties. Let’s learn about these properties and discover what they mean and how to determine them. Start by reading the descriptions of each of the physical properties, then dig deeper by clicking on each of the links to learn more about each property. Cleavage & Fracture Cleavage and fracture are descriptions of how a mineral breaks into pieces. Cleavage describes how a mineral breaks into flat surfaces (usually one, two, three or four surfaces). Fracture describes how a mineral breaks into forms or shapes other than flat surfaces. Hardness The hardness of a mineral is a way of describing how easy or difficult it is to scratch the mineral. It is used, in combination with the other physical properties, to help identify a mineral specimen. Luster Luster is a description of the way a mineral surface looks when light reflects off of the surface. Specific Gravity Specific Gravity is a measure of the density of a mineral compared to the density of an equal volume of water. Streak Streak is the color of a mineral when it is crushed to a powder. http://www.kidsloverocks.com/html/physical_properties_of_mineral.html Website of the Month http://wymineralandgemsociety.org/index.html This is a great reference for anyone, but particularly for those that are going on the trip to Wyoming in August. Read up, and get ready to head west! There is a guide to prospecting and rock hunting that can be downloaded. Check out the newsletter from that club too. Cuyuna Rock Gem & Mineral Society Regular Board Meeting Minutes – June 13 (This brief meeting was held on site at the agate fieldtrip.) MSP - approve bills presented for payment. Treasurer Kevin presented the final show financial results and current account balances. A canopy for club use at shows has been purchased and a couple of people will check on the possibility of getting the club name printed on it. MSP - to host the MWF meeting in 2017. Marge Jensen and Dolores Sibet volun- teered to act as committee chairs for that event which would be held concurrently with our show. Discussed the possibility of locating grants for specific projects, purchasing a second spinning wheel, help for various shows coming up this summer. We need to know very soon if we will have enough volunteers to work at the Crow Wing Co. fair for every hour it is open. Show volunteers will meet at the Four Sea’s restaurant following the fieldtrip today to celebrate a job well done and share ideas for 2016. MSP-Meeting adjourned. Rox Box A place to advertise rock items to sell and to inquire about items to purchase. The Cuyuna Rock, Gem & Society accepts no responsibility for any dissatisfaction that may occur by either party, seller or buyer. The Society does not profit in any way by sales transactions. 3rd Annual 4th of July Rocks Crystals Agates Jewelry & Gem Sale! Friday, July 3 9 a.m. to 4 p.m. Saturday, July 4 9 a.m. to 4 p.m. Large collection of rocks & agates, sterling silver & natural stone jewelry, rough rock, polished rocks & crystal specimens, healing crystals, rare specimens, gems, minerals, cabochons, garden rock, large rough, & fossils too. HUGE variety & a just lot of rock & rock talk!! Some lapidary equipment. Door prizes, refreshments & fun! Look for red, white, & blue sparkly signs! 621 - 10th St S (at Hwy 25), Buffalo Located in Willow Glen neighborhood, close to Buffalo Dental off of Hwy 25. Or from Hwy 55 west to Cty Rd 147 (Division/Bradshaw) to 10th Street. Call/text 612-382-4762 with questions. Free: 2 tumblers One on the right needs a barrel. One on the left needs minor repair. Call Harry Wagoner at 218-927-9983. Mark your calendar! Club member Sharon Smith will be having an rock inventory reduction auction (as part of a household auction) on Saturday, August 22 on the west side of Gull Lake. Watch for further information. Jewelry Making Tip By Brad Smith www.BradSmithJewelry.com Ochre Applicator Yellow ochre is used when you want to be sure the solder won't flow on an area of your piece while you're soldering another area. The only problem with ochre is coming up with a good way to store and apply it. Sunshine Requests If you know someone who could use a little sunshine— birth, illness, surgery, family death— please contact Christi Higgins at 320-224-6650. I use recycled nail polish bottles. They seal well and have a built-in brush applicator. Just clean them out with a little acetone or nail polish remover, and they're ready to go. Rockhound Terminology “D” Dana Number – Number assigned to each mineral according to the classification system devised by James Dwight Dana. Dendrites – Fern-like growths of crystals found lining the cracks and joints in rocks. Deposit – To lay down a material such as mud, sand, or gravel in a new location. Desert – An arid region that typically receives less than ten inches of rain a year. Desert Rose – Nickname for rosetteshaped gypsum concretions and barite formations. Devonian – Geological time period that stretches from about 415 – 360 million Go, Rockhound, Go! Landon Mitchell found this fabulous agate near Little Falls while picking with the Club on June 13th. years ago. Diatom – Fossilized microscopic marine plant. Dichroic – Showing different colors when viewed from different directions. Certain forms of tourmaline are dichroic. Dike (sometimes Dyke) – A sheet-like igneous intrusion that is near vertical or cuts across existing rock. Dinosaurs – The group of now extinct prehistoric reptiles that lived between 230 and 65 million years ago. Their closest living relatives include crocodiles and birds. Yep, birds. Dip – The downward angle of inclination of bedrock from the horizontal. Doublet – A composite stone made of two pieces cemented or glued together e.g., opal doublets. Dredge – Mining equipment used to find gold, sapphires, or garnets. Typically, dredges are used in streams to suction up material from the streambed to process through a riffle or other device to screen out heavy material (e.g., gold). Drusy – A crust of uniformly tiny crystals filling a cavity or coating a rock. Dumpsite – At a mine site, where the non-economic rocks are deposited. Rockhounders often will search dumpsites as these piles will contain material that took enormous effort to bring to the surface and may contain interesting specimens. http://www.gatorgirlrocks.com/resources/ glossary.html Who Wants to Go on a Road Trip to Arkansas? Bragging rights to finding one of the largest diamonds ever dug up at Arkansas’ Crater of Diamonds State Park goes to a Colorado woman. Bobbie Oskarson, of Longmont, dubbed her 8.52-carat shard the “Esperanza Diamond” after her niece. Esperanza is also the Spanish word for “hope.” She dredged the diamond on June 24 after only 20 minutes of digging, according to the state’s park agency. “It was hot and sunny at the park, but Ms. Oskarson was staying cool by searching in a tree-shaded area when she found her diamond,” park employee Waymon Cox said in a statement. Oskarson plans to keep her find. Cox said the diamond is about three-quarters of an inch long and as big around as a standard No. 2 pencil. The 37.5-acre park in Murfreesboro is known for being a hotbed of precious gems. The diamond is the fifth largest of its kind to ever be unearthed by a visitor since the park’s founding in 1972. http://www.cnbc.com/id/102795206 http://www.nydailynews.com/news/national/colorado-woman-unearths-8-52-carat-diamond-arkansaspark-article-1.2273561 June 28, 2015 Pick Here are most of the crew that participated in the pick near Rice. Everyone found something to take home. Judy Frampton and Ed Opatz analyze a find while others look on. Some Elemental History Compiled by Harry A. Wagoner An element is each of more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances and are primary constituents of matter. Each element is distinguished by its atomic number, i.e., the number of protons in the nuclei of its atoms. In 1789, Antoine Lavoisier published a list of 33 chemical elements, grouping them into gases, metals, nonmetals and earths. Chemists spent the following century searching for a more precise classification scheme. In 1829, Johann Wolfgange Dobereiner observed that many of the elements could be grouped into triads based on their chemical properties, this became known as the Law of Triads. German chemist Leopold Gmelin worked with this system, and by 1843 he had identified ten triads, three groups of four, and one group of five. Jean-Baptiste Dumas published work in 1857 describing relationships between various groups of metals. In 1858, German chemist August Kekule observed that carbon often has four other atoms bonded to it. This concept eventually became known as valency: different elements bond with different numbers of atoms. In 1862, Alexandre-Emile Beguyer de Chancourtois, a French geologist, published an early form of periodic table, which he called the telluric helix or screw. He was the first person to notice the periodicity of the elements. With the elements arranged in a spiral on a cylinder by order of increasing atomic weight, de Chancourtois showed that elements with similar properties seemed to occur at regular intervals. In 1864, Julius Lothar Meyer, a German chemist, published a table with 44 elements arranged by valency. The table showed that elements with similar properties often shared the same valency. Concurrently, William Odling (an English chemist) published an arrangement of 57 elements, ordered on the basis of their atomic weights. He subsequently proposed (in 1870) a valence-based classification of the elements. English chemist John Newlands produced a series of papers from 1863 to 1866 noting that when the elements were listed in order of increasing atomic weight, similar physical and chemical properties recurred at intervals of eight; he likened such periodicity to the octaves of music. This so termed Law of Octaves, however, was ridiculed by Newlands' contemporaries, and the Chemical Society refused to publish his work. Newlands was nonetheless able to draft a table of the elements and used it to predict the existence of missing elements, such as germanium. The Chemical Society only acknowledged the significance of his discoveries five years after they credited Mendeleev. In 1867, Gustavus Hinrichs, a Danish born academic chemist based in America, published a spiral periodic system based on atomic spectra and weights, and chemical similarities. His work was regarded as idiosyncratic, ostentatious and labyrinthine Russian chemistry professor Dmitri Mendeleev and German chemist Julius Lothar Meyer independently published their periodic tables in 1869 and 1870, respectively. Mendeleev's table was his first published version; that of Meyer was an expanded version of his (Meyer's) table of 1864. They both constructed their tables by listing the elements in rows or columns in order of atomic weight and starting a new row or column when the characteristics of the elements began to repeat. All elements from atomic numbers 1 (hydrogen) to 118 (ununoctium) have been discovered or reportedly synthesized, with elements 113, 115, 117, and 118 having yet to be confirmed. The first 98 elements exist naturally although some are found only in trace amounts and were synthesized in laboratories before being found in nature. Elements with atomic numbers from 99 to 118 have only been synthesized, or claimed to be so, in laboratories. It has been shown that einsteinium and fermium once occurred in nature at the natural nuclear fission reactor in Oklo, Gabon, but currently no longer do so. Production of elements having higher atomic numbers is being pursued, with the question of how the periodic table may need to be modified to accommodate any such additions being a matter of ongoing debate. Numerous synthetic radio nuclides of naturally occurring elements have also been produced in laboratories. The number of possible elements is not known. A very early suggestion made by Elliot Adams in 1911, and based on the arrangement of elements in each horizontal periodic table row, was that elements of atomic weight greater than 256± (which would equate to between elements 99 and 100 in modern-day terms) did not exist. A higher—more recent—estimate is that the periodic table may end soon after the island of stability, which is expected to center around element 126, as the extension of the periodic and nuclides tables is restricted by proton and neutron drip lines. Other predictions of an end to the periodic table include at element 128 by John Emsley, at element 137 by Richard Feynman, and at element 155 by Albert Khazan. As of 2014, the periodic table has 114 confirmed elements. A total of 98 elements occur naturally; 84 are primordial. The other 14 naturally occurring elements occur only in decay chains of primordial elements. No element heavier than einsteinium (element 99) has ever been observed in macroscopic quantities in its pure form. Elements 113, 115, 117 and 118 have reportedly been synthesized in laboratories however none of these claims have been officially confirmed by the International Union of Pure and Applied Chemistry International (IUPAC), nor are they named. July Rock Shows/Sales 2-5—SISTERS, OR: Annual show; Sisters Elem. School; Daily 9 am-6 pm; Free; e-mail: [email protected] 3-5—FARMINGTON, NM: San Juan County Gem & Mineral Society, Farmington Civic Center; Fri. 10am-6 pm, Sat. 10am-6pm, Sun. 10am-5pm; Free. e-mail: [email protected] 3-5—EUGENE, OR: Wholesale & retail show; Gem Faire Inc, Lane County Events Center; Fri. Noon-6 pm, Sat. 10 am-6 pm, Sun. 10 am-5 pm; Adults, Seniors + Students $7, Children ages 0 - 11 free; http://www.gemfaire.com 5-5—PICTON, ONTARIO, CANADA: Kingston Lapidary & Mineral Club, Crystal Palace; Sun. 10am-5pm; $3, Under 13 free; Gem Shower - hosted by the Kingston Lapidary and Mineral Club. e-mail: [email protected] 9-12—CASCADE LOCKS , OR: Annual show; Cindy Allison, Cascade Locks Marina Park; Daily 10 am-5 pm, Fri. -; Free; e-mail: [email protected] 10-12—PORTLAND, OR: Gem Faire Inc, Oregon Convention Center; Fri. Noon-6pm, Sat. 10 am-6 pm, Sun. 10 am5 pm; $7, under 12 free!; Web site: http:// www.gemfaire.com 10-12—DURANGO, CO: Four Corners Gem and Mineral Club, La Plata County Fairgrounds; Fri. 10am-6pm, Sat. 10am6pm, Sun. 10am-5pm; Free!; e-mail: [email protected] 11-12—TULSA, OK: Tulsa Rock and Mineral Society, Central Park Hall-Tulsa County Fairgrounds; Sat. 9am-6pm, Sun. 10am-5pm; $6; Under 13 free/pd adult; www.ttownrockhound.org 11-12—CASPER, WY: Natrona County Rockhounds Club, Parkway Plaza Hotel; Sat. 9 am-5 pm, Sun. 9 am-4 pm; $3, Under 12 Free; e-mail: catania82601@ aol.com 11-12—RAPID CITY, SD: Western Dakota Gem & Mineral Society, Rushmore Plaza Civic Center; Sat. 9 am-6 pm; $4; www.wdgms.org 11-12—BETHEL, MA: Oxford County Mineral & Gem Association, Telstar High School; Sat. 10 am-5 pm, Sun. 10 am-4 pm; $3, Under 12 FREE!; e-mail: [email protected] 11-12—FLAGSTAFF, AZ: CKM Productions, LLC, Flagstaff High School; Sat. 10am-5pm, Sun. 10am-4pm; $3, Under 12 free; Web site: https://www. facebook.com/CKM Productions LLC 11-12—SYRACUSE , NY: Gem & Mineral Society of Syracuse, New York, SRC Arena Onondaga Community College; Sat. 10 am-6 pm, Sun. 10 am-4 pm; Adults $7, FREE under 12; Web site: www.gmss.us 16-18—CODY, WY: WY State Mineral and Gem Society, Cody H.S. Sweitzer Gymnasium; Thu. 4pm-8pm, Fri. 10 am8pm, Sat. 10am-4pm; Adults $4, Students $2, Children Free!; Web site: www.wymineralandgemsociety.org 17-18—MINOCQUA, WI: Lakeland Gem Club, Lakeland High School; Fri. 10 am-6 pm, Sat. 9 am-5 pm; Free!; Web site: www.lakelandgemclub.com 17-19—SAN RAFAEL, CA: Gem Faire Inc, Marin Center; Fri. Noon-6pm, Sat. 10 am-6 pm, Sun. 10 am-5 pm; Free!; Web site: http://www.gemfaire.com 17-19—REEDSPORT, OR: Lower Umpqua Gem & Lapidary Society, Reedsport Community Bld.; Fri. 10am-5pm, Sat. 10am-5pm, Sun. 10am-4pm; Admission Price is a Donation; contact Susan Baughman, 105 Ocean View Ct., Florence, OR 97439 17-19—VIRGINIA BEACH, VA: Treasures of the Earth, Inc., Virginia Beach Convention Center; Fri. 12 noon-6 pm, Sat. 10 am-5 pm, Sun. 10 am-4 pm; A$5, Military & under 16 Free; Web site: www.treasuresoftheearth.com 17-19— SUDBURY , ON, CANADA: Sudbury Rock & Lapidary Society, Carmichael Arena; Fri. 5pm-9pm, Sat. 10am-6pm, Sun. 10am-5pm; $5, Srs $3, Students $1, Children Free!; Web site: http://www.ccfms.ca/clubs/Sudbury/ 18-19—DARRINGTON, WA: Darrington Rock and Gem Club, Mansford Grange; Sat. 10 am-5 pm, Sun. 10 am-5 pm; Free!; e-mail: [email protected] 18-19—ERIE, PA: Gem City Rock & Mineral Society, JMC Ice Arena; Sat. 10am-6pm, Sun. 10am-5pm; Adults $4, Srs $3, under 12 Free; Web site: www.gemcityrockclub.org/show 18-19—MOOSE LAKE, MN: Carlton County Gem and Mineral Club, Moose Lake High School; Sat. 9am-5pm, Sun. 9am-4pm; Free!; e-mail: tedcgp@ @yahoo.com 23-26—FRANKLIN, NC: Gem & Mineral Society of Franklin, NC, Robert C. Carpenter Community Building; Thu. 10 am-5 pm, Fri. 10 am-5 pm, Sat. 10 am-5 pm, Sun. 11 am-4 pm; $2, Under 12 FREE; Web site: www.visitfranklinnc. Com 24-26—TENINO, WA: Washington Agate and Mineral Society, Parkside Elementary School; Fri. 9 am-6 pm, Sat. 9 am-6 pm, Sun. 9 am-5 pm; Free!; Web site: https://wamsolympia.wordpress.com 24-26—EUREKA, CA: Gem Faire Inc, Redwood Acres Fairgrounds; Fri. Noon-6 pm, Sat. 10 am-6 pm, Sun. 10 am-5 pm; Free!; Web site: http://www.gemfaire. Com 25-26—SOUTH BURLINGTON, VT; VT: Burlington Gem and Mineral Club, Frederick H. Tuttle Middle School; Sat. 10am-5pm, Sun. 10am-5pm; Adults $4, Srs $3, Under 16 free w adult; Web site: http://www.burlingtongemandmineral club.org/show.html 25-26—CUTCHOGUE, NY: Long Island Mineral & Geology Society, Cutchogue East Elementary School; Sat. 10am-5 pm, Sun. 10am-5pm; $6, Children Free; Web site: www.limineralandgeology.com 26-26—BANCROFT , ON, CANADA Bancroft Gem & Mineral Club, Bancroft Legion Hall; Sun. 10 am-4 pm; Adults $3 Srs $3, Children Free!; e-mail: [email protected] July 2015-August 2015 31-2—NORTH BEND, OR: Far West Lapidary and Gem Society, North Bend Community Center; Fri. 10 am-5 pm, Sat. 10 am-5 pm, Sun. 10 am-4 pm; Adults $1, Under 12 free; e-mail: doninnes.innes20 @gmail.com 31-2—SANTA BARBARA, CA: Gem Faire Inc, Earl Warren Showgrounds; Fri. Noon-6 pm, Sat. 10 am-6 pm, Sun. 10 am -5 pm; $7, Under 12 free!; Web site: http://www.gemfaire.com 31-2—PRESCOTT VALLEY, AZ: Annual show; Prescott Gem & Mineral Club, Prescott Valley Event Center; Fri. 9am-5pm, Sat. 9am-5pm, Sun. 9am4pm; Adults $5, Srs & Students $4, S; Under 12 free!; Web site: www.prescott gemmineral.org We’re on Facebook! Cuyuna Rock, Gem & Mineral Society This is a closed group, so you must ask to join. After being approved you can follow the members’ posts and add your own information. Marcia Opatz, Editor Cuyuna Rock, Gem & Mineral Club P.O. Box 151 Crosby, MN 56441 FIRST CLASS MAIL The Agate Explorer July 2015 Official Publication of the Cuyuna Rock, Gem & Mineral Society Members of AFMS & MWF Club Officers & Board of Directors President: Ed Opatz [email protected] 320-250-1363 Vice-President: Lisa Hughes [email protected] 218-821-2729 Secretary—Sharon Smith 218-343-7037 [email protected] Treasurer: Kevin Martini [email protected] 612-916-0485 Director: Joan Guerra Director: Dick Salzwedel Director: Ed Walton Newsletter Editor: Marcia Opatz [email protected]
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