{"product_id":"1-66g-aubrite-achondrite-meteorite-fragment-i-nwa-13305","title":"1.66g Aubrite Achondrite Meteorite Fragment I NWA 13304","description":"\u003cp\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eOn Offer: \u003c\/strong\u003e 1.66g Aubrite achondrite meteorite fragment\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eName:\u003c\/strong\u003e NWA 13304 \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Aubrite\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cstrong\u003eDescription:\u003c\/strong\u003e 1.66 gram achondrite meteorite fragment that comes from an unknown parent body.\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eThe aubrite class of achondrite meteorite is a very rare differentiated meteorite comprised mostly of the mineral enstatite. While we have sufficient (over 3) examples of these meteorite types to give them their own class, we still don't know what massive differentiated parent body they come from. \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eNot to be confused with the undifferentiated EH and EL chondrites, these enstatite rich \u003cem\u003eachondrites\u003c\/em\u003e come from a much larger differentiated parent body, and are far more rare. \u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eWe offer a 100% no questions asked 30 day return policy. \u003cbr\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003e\u003cspan size=\"4\" style=\"font-family: Arial; font-size: large;\"\u003eOFFICIAL METEORITICAL SOCIETY ENTRY BELOW\u003c\/span\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003ctable border=\"1\" id=\"maintable\" cellpadding=\"4\" cellspacing=\"0\" class=\"tablefat\"\u003e\n\u003ccaption\u003e\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr valign=\"top\"\u003e\n\u003cth class=\"insidehead\" colspan=\"2\"\u003e\u003cspan\u003e\u003cb\u003eNorthwest Africa 13304\u003c\/b\u003e\u003c\/span\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd class=\"inside\"\u003e\u003cbig\u003eBasic information\u003c\/big\u003e\u003c\/td\u003e\n\u003ctd class=\"inside\"\u003e\n\u003cspan\u003e\u003cb\u003eName:\u003c\/b\u003e Northwest Africa 13304\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e     This is an OFFICIAL meteorite name.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e\u003cb\u003eAbbreviation:\u003c\/b\u003e NWA 13304\u003c\/span\u003e\u003cbr\u003e\u003cb\u003eObserved fall:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eNo\u003cbr\u003e\u003cb\u003eYear found:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003e2019\u003cbr\u003e\u003cb\u003eCountry:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003e(Northwest Africa)\u003cbr\u003e\u003cb\u003e\u003cspan\u003eMass:\u003c\/span\u003e\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e263 g\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd class=\"inside\"\u003e\u003cbig\u003eClassification\u003cbr\u003e  history:\u003c\/big\u003e\u003c\/td\u003e\n\u003ctd class=\"inside\"\u003e\n\u003ctable border=\"0\" cellspacing=\"0\" summary=\"used for layout\" style=\"width: 99.9407%;\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 44.6559%;\"\u003e\u003cb\u003eRecommended:  \u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 19.3997%;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 0.737408%;\"\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 36.2318%;\"\u003e\n\u003cb\u003eAubrite\u003c\/b\u003e\u003cspan\u003e \u003c\/span\u003e  \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003eThis is 1 of 65 approved meteorites classified as Aubrite.   [show all]\u003cbr\u003eSearch for other:\u003cspan\u003e \u003c\/span\u003eAchondrites,\u003cspan\u003e \u003c\/span\u003eAubrites,\u003cspan\u003e \u003c\/span\u003eEnstatite achondrites, and\u003cspan\u003e \u003c\/span\u003eEnstatite-rich meteorites\u003cbr\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd class=\"inside\"\u003e\u003cbig\u003eComments:\u003c\/big\u003e\u003c\/td\u003e\n\u003ctd class=\"inside\"\u003eApproved 23 May 2020\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd class=\"inside\"\u003e\u003cbig\u003e\u003cspan\u003eWriteup\u003c\/span\u003e\u003c\/big\u003e\u003c\/td\u003e\n\u003ctd class=\"inside\"\u003e\n\u003cdiv id=\"writeup\"\u003e\n\u003cbig\u003e\u003cu\u003eWriteup from MB 109:\u003c\/u\u003e\u003c\/big\u003e\u003cbr\u003e\n\u003cdiv\u003e\n\u003cp class=\"MBNormal\"\u003e\u003cstrong\u003eNorthwest Africa 13304\u003c\/strong\u003e (NWA 13304)\u003c\/p\u003e\n\u003cp class=\"MBIndent\"\u003eNorthwest Africa\u003c\/p\u003e\n\u003cp class=\"MBIndent\"\u003ePurchased: 2019\u003c\/p\u003e\n\u003cp class=\"MBIndent\"\u003eClassification: Enstatite achondrite (Aubrite)\u003c\/p\u003e\n\u003cp class=\"MBNormal\"\u003e\u003cstrong\u003eHistory\u003c\/strong\u003e: Two fragments of ~23 g purchased by Dustin Dickens October of 2019 in Morocco from Mohamed Amouri. Dustin later received an additional ~24 0g stone from Hammi in February of 2020 at the Tucson gem and mineral show.\u003c\/p\u003e\n\u003cp class=\"MBNormal\"\u003e\u003cstrong\u003ePhysical characteristics\u003c\/strong\u003e: Exterior has dark colored fusion crust patches. Saw cuts and broken surfaces reveal a breccia of fragmented white pyroxene grains, some up to several mm in size, set in a fine-grained matrix. Scattered brown-orange colored, oxidized metal grains are visible throughout.\u003c\/p\u003e\n\u003cp class=\"MBNormal\"\u003e\u003cstrong\u003ePetrography\u003c\/strong\u003e: (C. Agee,\u003cspan\u003e \u003c\/span\u003e\u003ci\u003eUNM\u003c\/i\u003e) This meteorite consists primarily of larger fragmental enstatite and diopside grains nested in a fine-grained, cataclastic matrix of enstatite and diopside. Kamacite, troilite, alabandite, and daubreelite were detected. Olivine and plagioclase were not detected.\u003c\/p\u003e\n\u003cp class=\"MBNormal\"\u003e\u003cstrong\u003eGeochemistry\u003c\/strong\u003e: (C. Agee,\u003cspan\u003e \u003c\/span\u003e\u003ci\u003eUNM\u003c\/i\u003e) Enstatite Fa\u003csub\u003e0.1±0.1\u003c\/sub\u003eWo\u003csub\u003e1.3±0.3\u003c\/sub\u003e, n=5; diopside Fs\u003csub\u003e0.0±0.0\u003c\/sub\u003eWo\u003csub\u003e42.1±4.7\u003c\/sub\u003e, n=2. Oxygen isotopes (K. Ziegler,\u003cspan\u003e \u003c\/span\u003e\u003ci\u003eUNM\u003c\/i\u003e): 3 acid-washed fragments analyzed by laser fluorination gave δ\u003csup\u003e18\u003c\/sup\u003eO= 5.511, 5.608, 5.742; δ\u003csup\u003e17\u003c\/sup\u003eO= 2.868, 2.924, 3.004; Δ\u003csup\u003e17\u003c\/sup\u003eO= -0.042, -0.037, -0.028 (linearized, all per mil, TFL slope=0.528).\u003c\/p\u003e\n\u003cp class=\"MBNormal\"\u003e\u003cstrong\u003eClassification\u003c\/strong\u003e: Aubrite\u003c\/p\u003e\n\u003cp class=\"MBNormal\"\u003e\u003cstrong\u003eSpecimens\u003c\/strong\u003e: 20.1 g including a probe mount on deposit at\u003cspan\u003e \u003c\/span\u003e\u003ci\u003eUNM\u003c\/i\u003e, Dustin Dickens holds the main mass.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd class=\"inside\"\u003e\u003cbig\u003eData from:\u003cbr\u003e  MB109\u003cbr\u003e  Table 0\u003cbr\u003e  Line 0:\u003c\/big\u003e\u003c\/td\u003e\n\u003ctd class=\"inside\"\u003e\n\u003ctable border=\"0\"\u003e\n\u003ctbody\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003ePlace of purchase:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eMorocco\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003eDate:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eP 2019\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003eMass (g):\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e263\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003ePieces:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003eClass:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eAubrite\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003eShock stage:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003emoderate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003eWeathering grade:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003elow\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003eFerrosilite (mol%):\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e0.1±0.1, 0.0±0.0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003eWollastonite (mol%):\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1.3±0.3, 42.1±4.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003eClassifier:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eC. Agee, UNM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003eType spec mass (g):\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e20.1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003eType spec location:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eUNM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003eMain mass:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eDustin Dickens\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\n\u003ctd\u003e\u003cb\u003eComments:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eField name DD-61; submitted by C. Agee, UNM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Top Meteorite","offers":[{"title":"Default Title","offer_id":48694601548001,"sku":"NWA13304_26_1.66_01","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1185\/2762\/files\/Top-Meteorite-Aubrite-NWA13304_NWA13304_26_1.66_01_4.jpg?v=1784593924","url":"https:\/\/topmeteorite.com\/products\/1-66g-aubrite-achondrite-meteorite-fragment-i-nwa-13305","provider":"Top Meteorite","version":"1.0","type":"link"}