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Hammadah Al Hamra 237 (CB3b Bencubbinite)


28° 36.56' N., 13° 02.95' E.
Libyan Sahara
Found October 18, 1997
Stone. Carbonaceous chondrite (CH), B chondrite or bencubbinite

Total known weight 3173 g in only one piece. This meteorite has a high metal content of ~57 vol%. Other constituents are chondrules and silicate fragments. One CAI has been observed. It's a rare breccia that doesn't fit with any other chondrite group, although is similar to the CR group. A new group named ¨bencubbinite¨ or B chondrite as been proposed.
Classification and analysis (J. Zipfel, MPI): Bulk composition: 69.6 wt% Fe, 2.48 ppm Ir, 0.14 ppm Au, 4.42 wt% Mg, 4.67 ppm Sc; for further details on grouping this meteorite with CH chon-drites, see Zipfel et al. (1998a). Weisberg et al. (1998) group this meteorite with Bencubbin. Specimens: type specimen and two polished sections, MPI; main mass with finder.
 
Small fragments from 0.5x0.5mm to 1x3mm
Prices: from $ 5.00 to $ 30.00

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