- Topsham, Sagadahoc County, Maine
- Miniature, 5.2 x 4.7 x 3.8 cm
- Ex. Lawrence H. Conklin
An extremely rare locality specimen with well-formed crystals, of this rare species. Ex Eugene Carmichael and Larry Conklin Collections. Still partially embedded in matrix that can be excavated as desired. The crystals are to 2 cm.