We’re finding very colorful stones at the very top of Michigan’s lower peninsula. This is Michilimackinac Park where the Mackinaw bridge starts toward the upper peninsula. A lot of the rocks here are rather dull but when you look closely enough you’ll find some beautiful, colorful rocks and minerals. We’re always looking for Unakite, epidote, quartz, banded chert, feldspar, biotite, magnetite, or anything colorful and interesting. Michigan has the most diverse selection of rocks and minerals in the world. Finding colorful rocks is easy at Michigan shoreline. Finding rocks and minerals in Michigan. Where can I find Petoskey stones in Michigan? Where can I find Unakite in Michigan? Where can I find beautiful rocks in Michigan?