1 pound lots of mine rough amber,,petrified tree sap/resin,,some call copal,,just as it comes from the earth at the Columbian,South America, Costa Rica mine ,20-50 million years old,with each 1 pound lot randomly scooped from material as pictured,and piece size running small/tiny inlay size approximately dust to1/16 to 3/8 inches.The pictures were taken dry with flash.The number of pieces will vary depending on size the of individual pieces with most lots containing 500 plus pieces generally.