Datolite, Kearsarge Lode, Centennial Mine #1/#2, Lake Superior Copper District, Houghton County, Michigan, Small Cabinet 2.0 cm x 4.5 cm x 6.0 cm, $450. Online Feb. 28.
Creamy white with swirls of localized mint green inclusions. A highly sought and prized color varietal from the district. Ex: Martin Zinn Collection.