Datolite translucent with off white cloud like inclusions,collected at the Lake Copper mine,Ontonagon county,Michigan. It is 7/8" x 5/8" x 3/8" and weights 4.1 grams. It has been polished on the face and the outer husk has some small Epidote crystals on it. Buyer pays all shipping by zip or international postal codes and insurance if requested. Thanks for looking and look at our store for other mineral specimens and Copper replacement and included Agates.