Mahogany sphalerite fluorescent mineral, Sterling Hill Mine, near Franklin NJ.  Large, really clean, sharp specimen of mahogany sphalerite veins cutting willemite / calcite / franklinite ore.   Fluoresces bright green and dull orange in short wave UV light.  In long wave UV the willemite is green, the sphalerite is bright orange.<p>

Big cabinet specimen, measures 6 1/2 inches x 3 1/2 inches x 3 inches, and weighs 4 pounds 7 ounces.<p>

For auction with no reserve.  Payment by PayPal required.  Shipping in the U.S. Priority Mail flat rate box for $12.00.   I am happy to combine shipping on multiple items.  Pennsylvania residents must add 6% sales tax to item price.