Datolite, Lake Superior Copper District, Keweenaw Peninsula, Michigan, ex. Jim Bailey Collection #121, Large Cabinet 5.0 cm x 17.0 cm x 18.0 cm, $450. Online Nov 2.
Exceptionally large, creamy white datolite with grayish green and brownish red highlights. Upon close inspection, subtle interior banding resembles an onion-like growth. Great size and presence.