Varda, The following may be of interest when you visit New York:
Metropolitan Museum and bookstore - a must see
MOMA (near Am. Craft Museum and Faber Gallery)
American Craft Museum
Aaron Faber Gallery
Valentin Yotkov Studio in Brooklyn DUMBO area
C. Bauer Studio
Hacker Books, Rizzoli Bookstore (same street, 57th?)
47th St. between 5th and 6th Ave.
Jewelry Arts Institute
Metalliferous(good silver findings, base metal stampings, tubings,
Allcraft (near C. Bauer on 29th St.)- good hammers and stakes
SoHo area galleries and stores
5th Ave jewelry stores
too many more to mention. Ten days is NOT enough time.