A true Illinois heavyweight … 1,540 grams of collector-grade fluorite from…

A true Illinois heavyweight … 1,540 grams of collector-grade fluorite from the legendary Cave-in-Rock district in Hardin County, Illinois.

This massive beauty completely transforms under different backlighting — shifting from deep, moody purples to electric blues and glowing golden tones depending on the light source. Each angle reveals a new personality, showcasing the incredible zoning and depth that make these classic Illinois fluorites so iconic.

Scale, color, and versatility all in one museum-worthy piece — the kind that commands attention in any serious collection.