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Boy, what an incredible specimen this is. An initial generation of super bright wheat sheaf like crystals with a later generation of gem acicular sprays. A rind around part of the specimen indicates interference growth. Of the 9 Bunker Hill pieces that were in this collection this is by far my favorite. Top shelf miniature. Ex Ken Roberts collection.
Locality: Bunker Hill Mine, Kellogg, Shashone County, Idaho
Composition: lead chlorophosphate