{"product_id":"15-06g-r-chondrite-meteorite-r4-breccia-i-nwa-11304-i-ultra-rare-chondrite-n","title":"6.43g R Chondrite Meteorite - R4 Breccia I Ultra Rare Chondrite NWA 11304","description":"\u003cdiv\u003e\n\u003cstrong\u003e\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOn Offer:\u003c\/strong\u003e  6.43g R Chondrite meteorite - R4 breccia | NWA 11304 \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eDescription:\u003c\/strong\u003e  6.43 gram R4 breccia end piece of the R type chondrite NWA 11304 meteorite. Polished on one side.\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eOfficial Name:\u003c\/strong\u003e NWA 11304\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eClassification:\u003c\/strong\u003e Rumuruti Type (R) - R4 breccia\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eGeneral Information:\u003c\/strong\u003e The R chondrite, as it is most commonly referred to, is one of the 5 known classes of chondritic meteorites: Ordinary, Carbonaceous, Enstatite (E), \u003cstrong\u003eRumuruti (R\u003c\/strong\u003e), and Kakangari (K). The R chondrite is the most oxidized of all the chondrites, and is the rarest of the chondrite classes with the exception for the K chondrite.  This the R4 breccia displays three distinct lithologies: black, light grey, and brown. Depending on the specimen, it may have one, two or all three visible in a single stone. \u003c\/div\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eWhat You Get:\u003c\/strong\u003e  6.43 gram R chondrite NWA11304 specimen as shown, storage\/display membrane box, signed certificate of authenticity.\u003c\/div\u003e\n\u003cdiv\u003eWe offer a 100% no questions asked 30 day return policy\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan style=\"font-family: -apple-system, BlinkMacSystemFont, 'San Francisco', 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif; font-size: 0.875rem;\"\u003eSEE OFFICIAL METEORITICAL SOCIETY ENTRY BELOW\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv\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 11304\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 11304\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 11304\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\u003e2017\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\u003e920 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\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMeteoritical Bulletin:  \u003c\/td\u003e\n\u003ctd\u003e\u003ca\u003e         \u003c\/a\u003e\u003c\/td\u003e\n\u003ctd\u003e(2018)  \u003c\/td\u003e\n\u003ctd\u003eR4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eRecommended:  \u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003eR4\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 61 approved meteorites classified as R4.   [show all]\u003cbr\u003eSearch for other:\u003cspan\u003e \u003c\/span\u003eRumuruti chondrites,\u003cspan\u003e \u003c\/span\u003eRumuruti chondrites (type 4-7)\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 7 Apr 2018\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\u003cspan\u003e \u003c\/span\u003eMB 107:\u003c\/u\u003e\u003c\/big\u003e\u003cbr\u003e\n\u003cdiv\u003e\n\u003cp class=\"MBNormal\"\u003e\u003cstrong\u003eNorthwest Africa 11304\u003c\/strong\u003e (NWA 11304)\u003c\/p\u003e\n\u003cp class=\"MBIndent\"\u003e(Northwest Africa)\u003c\/p\u003e\n\u003cp class=\"MBIndent\"\u003ePurchased: 2017 April\u003c\/p\u003e\n\u003cp class=\"MBIndent\"\u003eClassification: Rumuruti chondrite (R4)\u003c\/p\u003e\n\u003cp class=\"MBNormal\"\u003e\u003cstrong\u003eHistory\u003c\/strong\u003e: Purchased by Dustin Dickens in April 2017 from a Moroccan dealer.\u003c\/p\u003e\n\u003cp class=\"MBNormal\"\u003e\u003cstrong\u003ePetrography\u003c\/strong\u003e: (A. Irving and S. Kuehner,\u003cspan\u003e \u003c\/span\u003e\u003ci\u003eUWS\u003c\/i\u003e) The specimen is a breccia mostly composed of well-formed, relatively small chondrules (apparent diameter 250±150 µm, N = 12) in a finer grained matrix (~30 vol.%), but some petrologically-similar, angular lithic clasts (including type 3 and type 4 clasts) are also present. Both olivine and orthopyroxene have very magnesian cores, but the predominant mafic minerals are much more ferroan. Other minerals are clinopyroxene, sodic plagioclase, pentlandite, pyrrhotite and magnetite.\u003c\/p\u003e\n\u003cp class=\"MBNormal\"\u003e\u003cstrong\u003eGeochemistry\u003c\/strong\u003e: Olivine (cores Fa\u003csub\u003e1.0-1.2\u003c\/sub\u003e; predominantly Fa\u003csub\u003e39.1-41.6\u003c\/sub\u003e; N = 4), orthopyroxene (core Fs\u003csub\u003e4.5\u003c\/sub\u003eWo\u003csub\u003e0.4\u003c\/sub\u003e; mantle Fs\u003csub\u003e16.3\u003c\/sub\u003eWo\u003csub\u003e2.7\u003c\/sub\u003e), clinopyroxene (Fs\u003csub\u003e11.0-12.4\u003c\/sub\u003eWo\u003csub\u003e45.5-41.7\u003c\/sub\u003e, N = 2), plagioclase (Ab\u003csub\u003e85.7\u003c\/sub\u003eAn\u003csub\u003e12.3\u003c\/sub\u003eOr\u003csub\u003e14.6\u003c\/sub\u003e).\u003c\/p\u003e\n\u003cp class=\"MBNormal\"\u003e\u003cstrong\u003eClassification\u003c\/strong\u003e: R4. May contain R3 material.\u003c\/p\u003e\n\u003cp class=\"MBNormal\"\u003e\u003cstrong\u003eSpecimens\u003c\/strong\u003e: 21.2 g including one polished thin section at\u003cspan\u003e \u003c\/span\u003e\u003ci\u003eUWB\u003c\/i\u003e; remainder with Mr. D. Dickens.\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  MB107\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 2017 April\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\u003e920\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\u003e2\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\u003eR4\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\u003eS2\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\u003eFayalite (mol%):\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1.0; 39.1-41.6\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\u003e4.5; 16.3; 11.0-12.4\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\u003e0.4; 2.7; 45.5-41.7\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\u003eA. Irving and S. Kuehner, UWS\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\u003e21.2\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\u003eUWB\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\u003eD. 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\u003eWork name DD17-9; submitted by A. Irving\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr valign=\"top\"\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Top Meteorite","offers":[{"title":"Default Title","offer_id":49156895572193,"sku":"NWA11304EC26_6.43_01","price":182.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1185\/2762\/files\/Meteorite-Top-Rumuruti-NWA11304-Chondrite_NWA11304EC26_01_1_2cc7c23e-e4e6-4c1b-a679-f33d7f2c3c87.jpg?v=1789758916","url":"https:\/\/topmeteorite.com\/en-ca\/products\/15-06g-r-chondrite-meteorite-r4-breccia-i-nwa-11304-i-ultra-rare-chondrite-n","provider":"Top Meteorite","version":"1.0","type":"link"}