WYOMING, Mich. — Gems and minerals are sought for their vibrant colors, rarity and, of course, their sparkle. But for Craig Thomas, chair of the Indian Mounds Rock and Mineral Club, gems are a lot ...

WYOMING, Mich. — What looks like just a rock to most people can hold much more meaning for collectors. The rock can be a story, a science lesson, or even a childhood memory. The Indian Mounds Rock and ...

Trading gems, minerals, fossils and meteorites can be fraught with controversy and ethical ambiguity. But is the answer to ...