Three pieces total (~15-20 lbs). Two are fine grained basalt (olivine basalt??); one is medium grained olivine-free plagioclase-augite microdolerite - This piece is largest of the three. It is about 25-30 cm in size.
Cite the IMLGS database as: Curators of Marine and Lacustrine Geological Samples Consortium. The Index to Marine and Lacustrine Geological Samples (IMLGS). National Geophysical Data Center, NOAA. doi:10.7289/V5H41PB8 [date of access].