"Imagine a 4.6 billion-year-oldextraterrestial rock burning through the Earth's atmosphere and landing squarely on our chest to be displayed for all to see. Well, maybe not likely -- but you aren't far off when adorning yourself with one of Joan and Luc Guillemette's celestial jewellery pieces...." from the article "Deep Impact: If you think diamonds are forever, explore the cosmos instead with jewellery designed from metorites as old as the Earth itself"