Benstonite, Fluorite and Calcite (John White Coll.)

Item Description

Benstonite is a very rare and complex carbonate species, with the finest examples extent coming from Southern Illinois. Specimens were found only sporadically, in small pockets, in the older days of this famous mine. Pagoda-like clusters of flattened rhombs nicely cap the piece. This is an extremely rich specimen of the species, as the side wear reveals how the benstonite formed around fluorite and calcite crystals. Seldom on the market. Ex John White Collection of Seattle and acquired in 1967, according to his faded label. valued #400-500 - this is a real rarity from this district and among best of species for the mineral for any locale. they are few and far between today