Original sentence: , Isle Royale greenstone & Lake Superior greenstone).Chlorastrolite, also known as greenstone, is the official [[List of U.state minerals, rocks, stones and gemstones.|state gem]] of Michigan
Edited sentence: , Isle Royal greenstone & Lake Superior greenstone) - misnomer(s) applied locally on the Keweenaw Peninsula of Michigan.Chlorastrolite, designated by the misnomer greenstone, is the official state gemstone of Michigan