State Gem, Isle Royale Greenstone

Description:

On reverse: "Chlorastrolite (Greenstone) - is the "official state gem" of Michigan. It is a variety of the mineral pumpellyite and is found chiefly as small, green, rounded beach pebbles, showing a turtleback pattern. Greenstones can still be found on Isle Royale and on some of the mine waste piles of the Copper Country, although it is a rare mineral".

Data Provider:

Capital Area District Library (Lansing, MI). Forest Parke Library and Archives

Collection:

Caterino Postcard Collection

Subject Topic:

Michigan, Greeting cards, and Gems

Language:

English

Rights:

Copyright Not Evaluated

URL:

http://cadl.pastperfectonline.com/archive/4EF3B968-6EDD-4E85-8A09-238859863200