SALE ITEM IS SAME AS PICTURE SHOWN OF FLUORESCENT FRANKLIN ROCK #F109
FRANKLIN FLUORESCENT MINERALS FROM THE NEW JERSEY MINES. WILLEMITE-GREEN (Zn2SiO4), CALCITE-RED (CaCO3), WITH NON-FLUORESCENT FRANKLINITE-BLACK (ZnFe2O4) AND ZINCITE-RED TO ORANGE (Zn,Mn)O. SPECIMEN SIZE IS 3 1/4"W X 2 1/2"D X 2 1/2"H AND WEIGHS .70 POUNDS. NICE SPECIMEN WITH LOTS OF FRANKLINITE MATERIAL FOR YOUR FLUORESCENT COLLECTION!