Database of luminescent minerals 

yooperlite

Chemical formula: See SODALITE

Family: Rock

Status: NON APPR

Display mineral: OUI

Luminescence:

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Phosphorescence (in the common sense of the term) observable with the naked eye:

No phosphorescence visible to the naked eye under any type of UV

Comments:

Tradename of syenite clasts containing fluorescent sodalite found in 2018 by Erik Rintamaki, a mineral dealer, on the beaches of Lake Superior, Michigan, USA.

Rintamaki self-named the rocks Yooperlites in honor of the endearing nickname Yooper for people who live in Michigan's Upper Peninsula.

The scientists believe the Yooperlites are not native to Michigan but were originally sourced from the Coldwell Alkaline Complex in Ontario, Canada. The Yooperlites were then likely transported south via continental glaciation and made their way into Lake Superior.

Activator(s) and spectrum:

Activator(s): S₂^-,

No spectrum yet

Best localities for fluorescence (*):

• Yooperlites are found anywhere from Whitefish Point to Grand Marais, Lake Superior, Michigan Upper Peninsula, USA;

(*)The data are not exhaustive and are limited to a few remarkable localities for fluorescence

Bibliographic reference for luminescence:

Reference for luminescence on the Internet:

Mineralogical reference on the Internet:

  http://www.mindat.org/show.php?name=Yooperlite

  http://webmineral.com/data/Yooperlite.shtml

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