Gem Medley - 7-in-1 Collection spaceshuttle These particular denticles come from

These particular denticles come from the Bone Valley formation in Florida and are estimated at 15 million years old

we've opted to showcase this carefully prepared specimen in a small glass vial complete with a cork stopper

Not surprisingly

" Chinese Science Bulletin 54

Gem Medley - 7-in-1 Collection spaceshuttle These particular denticles come fromValued since the earliest days of humanity, gemstones still captivate due to their stunning colors. These varied shades and hues are the product of the ever present geological forces always at work below our feet. The Gem Medley collection is a variety of our gemstone specimens, brought together in one fabulous display. Included are pieces of emerald, opal, bismuth, sapphire, amethyst, pearl, and ruby.