Slag is dense, typically black, and often magnetic, which is why many people ... an easy giveaway that it’s not a meteorite. Basalt is a fine-grained and dense volcanic rock.
Most stony meteorites are magnetic and quite heavy for their size ... If your report appears promising, a specialist will propose laboratory examination of the specimen. Do not break the meteorite ...
Mr Connor said a lady called Eileen Brown recording birdsong in her back garden in Bangor inadvertently became the first person to record the sonic booms of a meteorite on magnetic tape.