1 Oz Copper Coin (Grizzly Bear), Michigan lawrence kansas rock shop Greg's hobby eventually turned into

Greg's hobby eventually turned into a career where he taught earth science at secondary schools

Etched & Oxidized

These geode earrings are set in sterling silver

Orthoclase (var

Fulgurite helps to alleviate distractions and provide intensified concentration

1 Oz Copper Coin (Grizzly Bear), Michigan lawrence kansas rock shop Greg's hobby eventually turned into1 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 grizzly bear 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