Fluorescent Nepheline Syenite Yooperlite, Wisconsin, 294 grams.

Description

Nepheline Syenite with an abundant amount of fluorescent Sodalite, nice display specimen. Long Wave UV needed.
Collected in Milwaukee county Wisconsin along the lake Michigan shoreline. Naturally rounded and smooth from glacial and wave tumbling.
294 grams.
2-1/2" length.
NOTE!
I use a Convoy2 long wave 365nm UV flashlight with a band pass filter installed for finding these and photos, you will need one as well to see the fluorescence as nicely as seen in photos.
Combined shipping available.