Miserite, Wollastonite, Aegirine - Arkansas
Contributed by: FMS Admin
Date: May 24th, 2026
Locality: Union Carbide Mine, Wilson Springs (Potash Sulfur Springs), Garland County, Arkansas, USA (See on Mindat)
Size: 3 inches
Description:
Here's an interesting example of miserite, wollastonite, and aegirine from the Union Carbide Vanadium Mine, Potash Sulphur Springs, Garland County, Arkansas. The mine is the type locality for miserite but also hosts some interesting wollastonite. Perplexing is that the miserite appears to fluoresce yellow when it's alone or near the wollastonite, and green when it's near the aegirine that is non-fluorescent. Quite a puzzlement. The wollastonite glows a dull brown under SW but explodes in burnt orange under midwave. No response under LW. Allegedly from the A. L. Kidwell collection, for whatever that's worth. No offense to A. L. of course.
Originally posted by Fire Viper on Nature's Rainbows in 2017.
Summary of luminescence responses:
Miserite (Mindat) (RRUFF)
- Fluorescence under Shortwave (254nm Lamp/Mercury) UV light: Yellow
- Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Orange
- Fluorescence under Midwave (305nm Lamp/Mercury) UV light: Orange