interesting little guide book to jewelry gems- By: Book Fan, 04 Apr 2007 Although the cover shows a raw gem, this book is oriented towards jewelry gems, & most photos show faceted & polished gems. Most entries are brief (generally one per page, but some more), but each one I've looked at is interesting, with information about where the stone comes from, & technical information about chemical composition & crystal form. There are technical charts & tables at the end. The book is small but gives the impression of being a reduced-size version of a larger book, because the print is small & each entry is fairly contentful. Definitely an interesting & informative browsein a fairly small package.Clear and informative, as expected from Nat.Hist.Museum- By: , 09 Dec 2001 Gives information on the most common gemsonesin an easy to read format. The photographs are excellent.A very good introduction to the subject, suitable for all age ranges.