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Bidding has ended on this item. Item:Super-rare CM2 Carbonaceous chondrite. Tanezrouft 082 |
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| This is a beautiful piece of the extremely rare CM2 Carbonaceous Chondrite named Tanezrouft 082.BELOW IS THE EXACT CLASSIFICATION DATA: Tanezrouft 082 Algeria, West Tanezrouft Found 20 December 2003 Carbonaceous chondrite (CM2) A single, completely crusted stone, weighing 1012 g, was found. Crust has polygonal cracks (terrestrial alteration), interior is black and slightly friable. Classification and mineralogy (M. Bourot-Denise, MNHNP): small, typically <100 m with few in the 300-800 m size-range, rounded chondrules, abundant angular debris and a few CAIs are set in a very dark matrix. Matrix contains troilite, pentlandite and clusters of framboidal magnetite. Olivine, Fa0.44-64.4, mean Fa14.5±17.0; orthopyroxene, Fs0.92-14.9, mean Fs2.5. Olivines are zoned in FeO-rich chondrules, they contain up to 0.54 wt% CaO in FeO-poor chondrules. Weathering grade is W2/3 (metal is oxidized, sulfide almost intact). Specimens: type specimen 30.2 g, and one polished mount MNHNP; main mass with Annick Goueslain and Jean Luc Parodi.
This specimen weighs 0.120 gram and is a partslice. The cube in the photos measures 1 cm. It is for measurement purposes and is not included in the auction. I am a meteorite dealer and fully gaurantee the authenticity of every meteorite and tektite specimen I sell. Be sure to see me in the March 1999 issue of the Smithsonian Magazine, I am featured in an article about meteorite hunters! I am also featured in Fortune Small Business magazine. Fortune Small Business Magazine Buyer pays $2.00 shipping worldwide. I combine shipping for multiple items. |
Shipping and handling Item location: Tucson, Arizona, United States Shipping to: Worldwide
 
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