A. E. Seaman Museum A world class mineral mueum in the wilds of Michigan's Upper Peninsula with the world's foremost collection of Copper Crystal specimens.

www.the-vug.com: A virtual who's who of websites and ebay sellers dealing in mineral specimens.

www.mineral-auctions.com The orginal internet auction site for minerals - multiple dealers.

www.mindat.org The most comprehensive site for information about minerals.