1 Oz Copper Coin (Unicorn), Michigan yellow jasper 39 kg and measures 26

39 kg and measures 26

weighs 134

Sparkly crystals of dark green drusy quartz  hand shaped into an angle and gold colored electroplating has been applied on all the edges

The calcite crystal measures 20 by 6 by 4

From the publisher:

1 Oz Copper Coin (Unicorn), Michigan yellow jasper 39 kg and measures 261 ounce (28 g) solid copper coin from Michigan. 3. 7 x 3. 7 x . 3 cm This coin, which comes with its own acrylic display case, features a unicorn on the front. The back denotes . 999 fine USA copper weighing one A. V. D. P* ounce. *avoirdupois (AVDP) ounces, a French term meaning "goods of weight" and a common unit of measure in the precious metals market