SOLD Datolite, Isle Royale, Michigan, Holzner Collection, Miniature 2.3 x 4.5 x 5.5 cm, $35. Online 8/12
NSMW12750
White polished datolite with brown/red highlights on rim. Collected offshore from Isle Royale. Note the water washed exterior from Lake Superior. No faults. Holzner Collection.