2 ounce 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 2 ounce lot randomly scooped from  material as pictured,and piece size running small/tiny inlay size approximately 1/16 to 1/2 inches long and wide by 1/16 to 1/4 inch deep.The pictures were taken dry with flash.The number of pieces will vary depending on size the of individual pieces with most lots containing 100 plus pieces generally.