{"id":78599,"date":"2026-04-12T12:10:53","date_gmt":"2026-04-12T10:10:53","guid":{"rendered":"https:\/\/allmeteorite.com\/?post_type=product&#038;p=78599"},"modified":"2026-04-12T12:30:18","modified_gmt":"2026-04-12T10:30:18","slug":"nwa-15171-mesosiderite-14-171-g-copie-copie-copie-copie-copie-copie","status":"publish","type":"product","link":"https:\/\/allmeteorite.com\/en\/product\/nwa-15171-mesosiderite-14-171-g-copie-copie-copie-copie-copie-copie\/","title":{"rendered":"NWA 15171 M\u00e9sosid\u00e9rite #20 &#8211; 9,4 g"},"content":{"rendered":"<p>Endcut.<br \/>\nSend with a certificat.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>NWA 15171 is a rare mesosiderite meteorite.<\/p>\n<p>Mesosiderites are brecciated rocks containing silicate and metallic components, the silicates are mainly fragments of igneous rocks.<\/p>\n<p><big><u>Writeup from MB 112:<\/u><\/big><\/p>\n<div>\n<p class=\"MBNormal\"><strong>Northwest Africa 15171<\/strong> (NWA 15171)<\/p>\n<p class=\"MBIndent\">Adrar, Algeria<\/p>\n<p class=\"MBIndent\">Purchased: 2022<\/p>\n<p class=\"MBIndent\">Classification: Mesosiderite<\/p>\n<p class=\"MBNormal\"><strong>History<\/strong>: Bought by Jean Redelsperger from Mohamed Elguirah in 2022.<\/p>\n<p class=\"MBNormal\"><strong>Physical characteristics<\/strong>: Many brown ireggular stones without fusion crust.<\/p>\n<p class=\"MBNormal\"><strong>Petrography: (J.<\/strong> Gattacceca, <i>CEREGE<\/i>) The rock contains similar abundances of silicate minerals (pyroxene, and plagioclase), and metal and its weathering products. Silicate grain size is about 200 \u00b5m. Plagioclase and low-Ca pyroene dominate over Ca-pyroxene. Fe,Ni metal and troilite have been mostly replaced by terrestrial weathering products.<\/p>\n<p class=\"MBNormal\"><strong>Geochemistry<\/strong>: Low-Ca pyroxene Fs<sub>31.4\u00b12.0<\/sub>Wo<sub>3.8\u00b10.2<\/sub>, range Fs<sub>29.5-35.9<\/sub>, FeO\/MnO = 26.4\u00b14.9 (n=7). Plagioclase An<sub>92.5\u00b12.1<\/sub>Ab<sub>7.4\u00b12.0<\/sub>Or<sub>0.1\u00b10.1 <\/sub>(n=4).<\/p>\n<p class=\"MBNormal\"><strong>Classification<\/strong>: Achondrite (mesosiderite)<\/p>\n<p class=\"MBNormal\"><strong>Specimens<\/strong>: Type specimen at <i>CEREGE<\/i>. Main mass with Jean Redelsperger.<\/p>\n<\/div>\n","protected":false},"featured_media":78601,"template":"","meta":[],"product_brand":[],"product_cat":[551],"product_tag":[],"class_list":{"0":"post-78599","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-mixed-en","7":"product_shipping_class-petits-articles-en","8":"description-off","10":"first","11":"instock","12":"sold-individually","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/allmeteorite.com\/en\/wp-json\/wp\/v2\/product\/78599","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/allmeteorite.com\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/allmeteorite.com\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/allmeteorite.com\/en\/wp-json\/wp\/v2\/media\/78601"}],"wp:attachment":[{"href":"https:\/\/allmeteorite.com\/en\/wp-json\/wp\/v2\/media?parent=78599"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/allmeteorite.com\/en\/wp-json\/wp\/v2\/product_brand?post=78599"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/allmeteorite.com\/en\/wp-json\/wp\/v2\/product_cat?post=78599"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/allmeteorite.com\/en\/wp-json\/wp\/v2\/product_tag?post=78599"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}