Spires of acicular calcite richly covered with epitaxial benstonite. Typical spire is 2-3.5 cm. Note matrix shows classic overgrowth of benstonite on calcite. Excellent, pristine example of one of the rarest late-stage carbonates from the district. Provenance: Marquette University: Charles Noll Collection #1608; Mr. Noll acquired specimen from the collection of Jimmie DuFoe ca. 1980s.