Astrophyllite is the name of the black darker material the garnet is found in. 1 High Detail High Quality Natural Crystal Carved Garnet in Astrophyllite Cat (You will get the exact carving that you select). Each of these carvings measures approx. 3.9" Tall x 2.75" Wide x 3.25" Deep. Weighs ~1.53-1.69lbs (698-764g). Also available in Ruby Zoisite.