NWA 12671 - CK6 Carbonaceous Chondrite - Fragment - 0.436g - Northwest Africa
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SKU
CK6-08/01
NWA 12671 is a CK6 Carbonaceous Chondrite purchased in 2018 after recovery from Northwest Africa. CK Chondrites are named after the Karoonda meteorite and are known for being more thermally altered than many other Carbonaceous Chondrite groups. As a type 6 specimen, NWA 12671 represents Carbonaceous material that has experienced significant recrystallisation on its parent body, while still retaining its primitive chemical heritage.
Specimens of NWA 12671 are typically dark grey to black, often with a compact, recrystallised texture. Chondrules are generally rare or subdued due to the high level of thermal metamorphism, while the interior is dominated by fine-grained material rich in oxidised minerals. Some fragments may retain partial fusion crust, adding contrast to the darker matrix. Its appearance is more uniform than many less-altered Carbonaceous Chondrites, reflecting its advanced petrologic type.
For collectors, NWA 12671 offers a distinctive example of a highly metamorphosed Carbonaceous Chondrite. Its CK6 classification makes it particularly interesting for those comparing alteration across Carbonaceous groups, from primitive type 3 material to more processed type 6 specimens. Each piece represents ancient asteroid material that records both early solar system chemistry and later thermal evolution.