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Prehnite
Knife River, St. Louis County, Minnesota, USA
9 X 7 X 4
Orange iridescent prehnite. So lovely in person, look at the close-up! Another one-time find, one boulder from the river, discovered by my son Greg. (Author: John Nash)

Prehnite
Knife River, St. Louis County, Minnesota, USA
9 X 7 X 4
Orange iridescent prehnite. So lovely in person, look at the close-up! Another one-time find, one boulder from the river, discovered by my son Greg. (Author: John Nash)

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