Assorted Dichroic on Black Glass Pieces - 90 COE, Made in America, 2 OZ. 2 oz.Dichroic Glass on Black, COE 90 For those times when you just need a small amount of Dichroic Glass, here is an inexpensive way to purchase Great for Jewelry Making or embellishments to fused glass plates, platters or bowls. works great in microwave kilns. Photo is one example. Actual glass may vary from photo.