Cystoid - Fossil Quality:Staff pick colours range from yellows to

colours range from yellows to oranges to reds

formed by titanium dioxide laced with iron and copper hues

Geological Age: Approximately 112 to 93 million years ago

Brazilian amethyst is especially prized for its consistent color saturation and clarity

Approximate weight of 1 pc: 90g

Cystoid - Fossil Quality:Staff pick colours range from yellows toMined from: Osgood Shale, Napoleon Indiana Era: Silurian Geological Age: Approximately 430 to 428 mya Description: Step back over 420 million years with this rare specimen of Holocystites scutellatus silurian, an extinct marine organism belonging to the cystoid class of echinoderms. Cystoids are close relatives of modern crinoids and sea urchins but had their own distinctive, often geometric body structures. This fossilized specimen, originating from