Black Aegirine crystal (also known as Acmite) with a smoky quartz crystal attached. Measures 3 7/8" (9.9 cm) long. Weighs 55 grams.This specimen is from an estate sale that belonged to Chuck Simmons in Tucson, AZ. He was very knowledgeable about minerals and in our opinion he had collected the best. FREE SHIPPING! With the purchase of 10 or more items weighing less than 12 ounces in the states, only $8 total for international shipping.