|AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Minnesota > Thomsonite|
|Locality:||Grand Marais, north shore of Lake Superior, Minnesota|
|Description:||Polished 30 mm nodule of thomsonite in gray basalt matrix. The thomsonite has circular, bulls-eye patterns. Specimen stands upright without additional support.|
|Overall Size:||6x5x2.5 cm|
|Archived:||For reference only|
|Buy similar:||Minerals from Midwest, USA > Natrolite, Mesolite, Scolecite|
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