Red Beryl or Bixbite: amongst the best in the world. Rob Lavinsky (Arkenstone/Irocks) is one of the top 10 mineral dealers in the world and one of the first who used the internet to create a bond with collectors. More of Rob's portfolio here.
COLLECTOR AND INVESTOR GUIDES
Three main journals for the serious collector showing the "best in the world" specimens as well as detailed information of a particular species or location are (click on link to jump to website):