This is a four color, cabinet size specimen, an altered/secondary Hardystonite, Clinohedrite, Calcite and Willemite from Franklin, NJ. Altered, also called secondary, Hardystonite is a lighter blue than regular Hardystonite.
Size: About 4.25" x 3.25" x 2"
Weight: About 1.25lbs
All fluorescent photos were taken under shortwave UV