Museum Class Multi Crystal Franklinite with minor Willemite & Esperite on Calcite. Featuring three large crystals of Franklinite on a matrix of fluorescent Calcite The Calcite also contains occurrences of fluorescent yellow Esperite and fluorescent green Willemite. Franklinite crystals to 2.5". Many smaller crystals abound on this fascinating fine mineral specimen. Any repairs were made on site at the mine at its time of discovery, none are apparent to us. It has been in storage for decades. ~4" x 5" x 3". largest crystal 2.5", 2 lbs 5 oz.