Franklinite, Willemite (New Jersey) Amethyst The mining process can be

The mining process can be brutal - Many of the claims reside at over 13

When well lit you can see really nice zoning on the outer edges - A really cool piece

10 x 3 x 2

This specimen with the Ground Hog Mine in the background was commissioned by Marty Zinn for the New Mexico Tech Museum

Franklinite, Willemite (New Jersey) Amethyst The mining process can beFRANKLINITE, WILLEMITE & CALCITE Sterling Mine Ogdensberg Sussex County New Jersey 3. 5 x 2 x 1. 7 Inches 9 x 5 x 4. 5 Centimeters Cabinet Ex. Tom Hughes Collection I took the UV photo and video under combined Shortwave and Longwave lights They will react under one or the other. If you need a good UV light I suggest visiting THIS LINK to shop for one. Please note that a traditional blacklight won't make these rocks react.