Jade is 10mm or 1/2" lapis & malachite are 13mm x 18mm or 3/4" howlite 5/8"x7/8" jasper 7/8" diameter tiger's eye is 6mm 1/4" laboridite 12 mm or 1/2" lepidolite 1/2" agate 5/8"
I hope that covers the sizes I am so sorry not to have included the info!!! misty