This is a crystal cluster of elemental Bismuth (Bi, 83). It shows beautiful iridescent colors and an interesting "hopper" or "ziggurat" shape. The make great paperweights and curios for display.
This specimen weighs 23 grams.
Refer to the photos. The black centimeter cube is shown for scale and is not included. You are purchasing the specimen shown. Your purchase will include an ID label.