Pumpellyite Var. Chlorastrolite
Collection
John Betts - Fine Minerals
Description
Nine waterworn nodules of green Pumpellyite-(Mg). This variety is known as Chlorastrolite and have a distinct, chatoyant pattern that resembles a turtle back. These are found on the beaches of Isle Royale National Park in Lake Superior.
Locality
Isle Royale, Lake Superior, Michigan
Dimensions
4-5 mm nodules
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