10 PIECE COLLECTION OF MINERAL SPECIMENS: An assembled collection of 10 crystal and rock specimens to include rainbow fluorite, amethyst geodes, rose quartz, smoky quartz, calcite, celestine geode, canvansite on stillbite, petrified wood and more. Largest piece measures 3 3/4'' x 9 1/2'' x 7''. Please note we are not mineral experts and it is possible we have misidentified a piece.