Had a look for some pictures of this Chinga metorite and see that there are bits for sale still these days http://www.meteorites-for-sale.com/chinga.html http:/

Had a look for some pictures of this Chinga metorite and see that there are bits for sale still these days http://www.meteorites-for-sale.com/chinga.html http://www.meteorites-for-sale.com/chinga.html pictures there probably best for a quick contrast to see why they suspect it, also thought meterites were more expensive so this is probably one of the more common/larger ones about indicating it is not as rare perhaps.