{"title":"Primitive Achondrites","description":"\u003cp\u003ePrimitive achondrites are a unique class of meteorites that bridge the gap between chondrites and fully differentiated achondrites. Unlike chondrites, which are composed of unaltered solar nebula material, primitive achondrites have undergone partial melting and differentiation, yet retain some primitive characteristics. This makes them invaluable for understanding early solar system processes.\u003c\/p\u003e\n\u003cp\u003eAccording to the University of Arizona's Lunar and Planetary Laboratory, these meteorites provide insights into the thermal and chemical evolution of their parent bodies. They often contain relict chondrules, which are spherical inclusions that survived the partial melting process. The Meteoritical Society notes that primitive achondrites are rare, comprising only a small percentage of meteorite falls.\u003c\/p\u003e\n\u003cp\u003eTheir study helps scientists unravel the complex history of planetary formation and differentiation. By examining isotopic compositions and mineralogy, researchers can trace the evolutionary pathways of these celestial objects. As highlighted in the journal \"Meteoritics \u0026amp; Planetary Science,\" primitive achondrites are crucial for piecing together the timeline of solar system development. Their unique characteristics make them a focal point for ongoing research in planetary science, offering a window into the processes that shaped our cosmic neighborhood billions of years ago.\u003c\/p\u003e","products":[{"product_id":"nwa-13948-acapulcoite","title":"NWA 13948 - Acapulcoite - Partial Slice - 9.73g - Algeria","description":"\u003cp data-start=\"26\" data-end=\"567\"\u003eNWA 13948 is a rare Acapulcoite, a type of Primitive Achondrite linked to the Acapulcoite-Lodranite family. Acapulcoites represent transitional material that experienced heating, recrystallisation, and limited partial melting on an early asteroid parent body, without becoming fully differentiated. NWA 13948 is especially scarce, with the Meteoritical Bulletin entry listing it as an approved Acapulcoite, and available market references noting a very low total known weight of around 104 to 108 grams. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"569\" data-end=\"1045\"\u003eSpecimens of NWA 13948 show the fine-grained character typical of Acapulcoites, with silicate minerals such as olivine and pyroxene, alongside metal and sulfide phases. Unlike Ordinary Chondrites, Acapulcoites generally lack obvious chondrules, though they retain a broadly primitive chemical character. Prepared pieces can show a subtle granular texture, sometimes with small reflective metal flecks, giving the material a distinctive appearance within Primitive Achondrites.\u003c\/p\u003e\n\u003cp data-start=\"1047\" data-end=\"1529\"\u003eFor collectors, NWA 13948 offers a scarce opportunity to acquire a very low-mass Acapulcoite with strong scientific and classification interest. Its rarity, transitional nature, and limited availability make it especially appealing for collections focused on Primitive Achondrites, rare meteorite groups, or early asteroid evolution. Each specimen represents ancient solar system material preserving an intermediate stage between Chondritic and more fully differentiated meteorites.\u003c\/p\u003e","brand":"OuterSpacer Meteorites","offers":[{"title":"Default Title","offer_id":56208179003718,"sku":"ACA-01\/04","price":777.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0518\/8678\/files\/Acapulcoite01-5.jpg?v=1774624596"},{"product_id":"nwa-13948-acapulcoite-complete-slice-9-42-g","title":"NWA 13948 - Acapulcoite - Complete Slice - 9.42g - Algeria","description":"\u003cp data-start=\"26\" data-end=\"515\"\u003eNWA 13948 is a rare Acapulcoite, a type of Primitive Achondrite purchased in 2021 from a meteorite dealer in Nouadhibou, Mauritania. Acapulcoites are transitional meteorites, representing material that experienced heating and recrystallisation on an early asteroid parent body without fully differentiating into a typical core and mantle structure. NWA 13948 has a reported total known weight of just 104 grams, making available material very limited. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"517\" data-end=\"995\"\u003eSpecimens of NWA 13948 are described as brownish rock without fusion crust, with a protogranular texture dominated by orthopyroxene and olivine grains around 400 micrometers in average size. Reported accessory minerals include merrillite and chlorapatite, with opaque phases such as chromite, troilite, kamacite, and schreibersite. No relict chondrules were observed, supporting its classification as an Acapulcoite rather than a Chondrite. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"997\" data-end=\"1458\"\u003eFor collectors, NWA 13948 offers a scarce example of the Acapulcoite-Lodranite family with strong scientific interest and limited availability. Its small recovered mass, official classification, and Primitive Achondrite character make it especially appealing for collections focused on transitional meteorites and early asteroid evolution. Each specimen represents material from the earliest stages of planetary processing, preserved for over 4.5 billion years.\u003c\/p\u003e","brand":"OuterSpacer Meteorites","offers":[{"title":"Default Title","offer_id":56256166723910,"sku":"ACA-01\/02","price":751.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0518\/8678\/files\/Acapulcoite03-9.jpg?v=1774624899"},{"product_id":"nwa-13948-acapulcoite-complete-slice-4-26-g","title":"NWA 13948 - Acapulcoite - Partial Slice - 4.26g - Algeria","description":"\u003cp data-start=\"26\" data-end=\"515\"\u003eNWA 13948 is a rare Acapulcoite, a type of Primitive Achondrite purchased in 2021 from a meteorite dealer in Nouadhibou, Mauritania. Acapulcoites are transitional meteorites, representing material that experienced heating and recrystallisation on an early asteroid parent body without fully differentiating into a typical core and mantle structure. NWA 13948 has a reported total known weight of just 104 grams, making available material very limited. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"517\" data-end=\"995\"\u003eSpecimens of NWA 13948 are described as brownish rock without fusion crust, with a protogranular texture dominated by orthopyroxene and olivine grains around 400 micrometers in average size. Reported accessory minerals include merrillite and chlorapatite, with opaque phases such as chromite, troilite, kamacite, and schreibersite. No relict chondrules were observed, supporting its classification as an Acapulcoite rather than a Chondrite. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"997\" data-end=\"1458\"\u003eFor collectors, NWA 13948 offers a scarce example of the Acapulcoite-Lodranite family with strong scientific interest and limited availability. Its small recovered mass, official classification, and Primitive Achondrite character make it especially appealing for collections focused on transitional meteorites and early asteroid evolution. Each specimen represents material from the earliest stages of planetary processing, preserved for over 4.5 billion years.\u003c\/p\u003e","brand":"OuterSpacer Meteorites","offers":[{"title":"Default Title","offer_id":56256176587078,"sku":"ACA-01\/05","price":340.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0518\/8678\/files\/Acapulcoite02-5.jpg?v=1774625063"},{"product_id":"errachidia-004","title":"Errachidia 004 - Winonaite-an - 3pc Diff. Lithologies - Slices - 0.702 g - Morocco","description":"\u003cp data-start=\"26\" data-end=\"547\"\u003eErrachidia 004 is a rare Primitive Achondrite from Morocco, classified as a Winonaite and found in 2020 near the rural community of Oued Naam in the Errachidia region. Winonaites are transitional meteorites, showing evidence of partial melting while still retaining links to primitive asteroid material. Errachidia 004 is especially interesting because it contains distinct low-metal and high-metal lithologies, reflecting a complex history of heating, mixing, and impact processing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"549\" data-end=\"1028\"\u003eSpecimens of Errachidia 004 can vary noticeably in appearance. Many fragments show low visible metal and lack clear chondrules, while others contain much higher amounts of iron-nickel metal, sometimes with a well-developed Widmanstätten pattern. This dual-lithology nature gives the meteorite unusual visual and scientific character, with prepared pieces ranging from stony, fine-grained material to metal-rich sections with strong contrast. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1030\" data-end=\"1560\"\u003eFor collectors, Errachidia 004 offers a scarce opportunity to acquire a recognised Winonaite with an unusually varied internal structure. Its limited recovered mass, Moroccan provenance, and anomalous characteristics make it particularly appealing for collections focused on Primitive Achondrites, transitional meteorites, or unusual parent body material. Each specimen represents part of a complex early solar system body that experienced partial differentiation without fully separating into a typical core and mantle structure.\u003c\/p\u003e","brand":"OuterSpacer Meteorites","offers":[{"title":"Default Title","offer_id":56319866667334,"sku":"WER-09\/53","price":74.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0518\/8678\/files\/Errachidia00402-3.jpg?v=1775562400"},{"product_id":"errachidia-004-winonaite-3pc-diff-lithologies-0-737-g","title":"Errachidia 004 - Winonaite-an - 3pc Diff. Lithologies - Slices - 0.737 g - Morocco","description":"\u003cp data-start=\"26\" data-end=\"547\"\u003eErrachidia 004 is a rare Primitive Achondrite from Morocco, classified as a Winonaite and found in 2020 near the rural community of Oued Naam in the Errachidia region. Winonaites are transitional meteorites, showing evidence of partial melting while still retaining links to primitive asteroid material. Errachidia 004 is especially interesting because it contains distinct low-metal and high-metal lithologies, reflecting a complex history of heating, mixing, and impact processing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"549\" data-end=\"1028\"\u003eSpecimens of Errachidia 004 can vary noticeably in appearance. Many fragments show low visible metal and lack clear chondrules, while others contain much higher amounts of iron-nickel metal, sometimes with a well-developed Widmanstätten pattern. This dual-lithology nature gives the meteorite unusual visual and scientific character, with prepared pieces ranging from stony, fine-grained material to metal-rich sections with strong contrast. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1030\" data-end=\"1560\"\u003eFor collectors, Errachidia 004 offers a scarce opportunity to acquire a recognised Winonaite with an unusually varied internal structure. Its limited recovered mass, Moroccan provenance, and anomalous characteristics make it particularly appealing for collections focused on Primitive Achondrites, transitional meteorites, or unusual parent body material. Each specimen represents part of a complex early solar system body that experienced partial differentiation without fully separating into a typical core and mantle structure.\u003c\/p\u003e","brand":"OuterSpacer Meteorites","offers":[{"title":"Default Title","offer_id":56324600856902,"sku":"WER-09\/54","price":78.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0518\/8678\/files\/Errachidia00404-3.jpg?v=1775562754"},{"product_id":"errachidia-004-winonaite-3pc-diff-lithologies-0-637-g","title":"Errachidia 004 - Winonaite-an - 3pc Diff. Lithologies - Slices - 0.637 g - Morocco","description":"\u003cp data-start=\"26\" data-end=\"547\"\u003eErrachidia 004 is a rare Primitive Achondrite from Morocco, classified as a Winonaite and found in 2020 near the rural community of Oued Naam in the Errachidia region. Winonaites are transitional meteorites, showing evidence of partial melting while still retaining links to primitive asteroid material. Errachidia 004 is especially interesting because it contains distinct low-metal and high-metal lithologies, reflecting a complex history of heating, mixing, and impact processing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"549\" data-end=\"1028\"\u003eSpecimens of Errachidia 004 can vary noticeably in appearance. Many fragments show low visible metal and lack clear chondrules, while others contain much higher amounts of iron-nickel metal, sometimes with a well-developed Widmanstätten pattern. This dual-lithology nature gives the meteorite unusual visual and scientific character, with prepared pieces ranging from stony, fine-grained material to metal-rich sections with strong contrast. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1030\" data-end=\"1560\"\u003eFor collectors, Errachidia 004 offers a scarce opportunity to acquire a recognised Winonaite with an unusually varied internal structure. Its limited recovered mass, Moroccan provenance, and anomalous characteristics make it particularly appealing for collections focused on Primitive Achondrites, transitional meteorites, or unusual parent body material. Each specimen represents part of a complex early solar system body that experienced partial differentiation without fully separating into a typical core and mantle structure.\u003c\/p\u003e","brand":"OuterSpacer Meteorites","offers":[{"title":"Default Title","offer_id":56324602790214,"sku":"WER-09\/55","price":68.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0518\/8678\/files\/Errachidia00403-3.jpg?v=1775562842"},{"product_id":"errachidia-004-winonaite-3pc-diff-lithologies-0-879-g","title":"Errachidia 004 - Winonaite-an - 3pc Diff. Lithologies - Slices - 0.879 g - Morocco","description":"\u003cp data-start=\"26\" data-end=\"547\"\u003eErrachidia 004 is a rare Primitive Achondrite from Morocco, classified as a Winonaite and found in 2020 near the rural community of Oued Naam in the Errachidia region. Winonaites are transitional meteorites, showing evidence of partial melting while still retaining links to primitive asteroid material. Errachidia 004 is especially interesting because it contains distinct low-metal and high-metal lithologies, reflecting a complex history of heating, mixing, and impact processing. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"549\" data-end=\"1028\"\u003eSpecimens of Errachidia 004 can vary noticeably in appearance. Many fragments show low visible metal and lack clear chondrules, while others contain much higher amounts of iron-nickel metal, sometimes with a well-developed Widmanstätten pattern. This dual-lithology nature gives the meteorite unusual visual and scientific character, with prepared pieces ranging from stony, fine-grained material to metal-rich sections with strong contrast. \u003cspan class=\"\" data-state=\"closed\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp data-start=\"1030\" data-end=\"1560\"\u003eFor collectors, Errachidia 004 offers a scarce opportunity to acquire a recognised Winonaite with an unusually varied internal structure. Its limited recovered mass, Moroccan provenance, and anomalous characteristics make it particularly appealing for collections focused on Primitive Achondrites, transitional meteorites, or unusual parent body material. Each specimen represents part of a complex early solar system body that experienced partial differentiation without fully separating into a typical core and mantle structure.\u003c\/p\u003e","brand":"OuterSpacer Meteorites","offers":[{"title":"Default Title","offer_id":56324608131398,"sku":"WER-09\/56","price":93.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0518\/8678\/files\/Errachidia00401-3.jpg?v=1775563295"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0757\/0518\/8678\/collections\/Portrait_Morocco_1219_4fc7c230-77fd-4cee-a11b-af7ee322e3f7.jpg?v=1779375027","url":"https:\/\/outerspacer.com\/collections\/primitive-achondrites.oembed","provider":"OuterSpacer Meteorites","version":"1.0","type":"link"}