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How to Hand Polish a Petoskey Stone

Michigan Rocks
402K subscribers
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397K views 6 years ago MICHIGAN
Learn how to hand polish a Petoskey stone without any expensive machinery. The Petoskey stone (Hexagonaria percarinata) is an approximately 360 million old fossilized coral. It is the state stone of Michigan. Petoskey stones are calcite which is very soft, approximately 3 on the Mohs scale. If you have a tumbler, you can save a lot of time by doing the first couple stages in the tumbler and then hand polishing to finish them up.    • How to Partially Tumble Petoskey Stones   Another video of me collecting Petoskey stones and pudding stones in Lake Huron:    • A Walk on the Beach   This is a good place to buy aluminum oxide polish: https://www.rockshed.com/rock-shop/ro... – MERCH – https://michigan-rocks.myspreadshop.com – FACEBOOK –   / michiganrocksrob   – INSTAGRAM –   / michiganrocksrob   – KINGSLEY NORTH – Kingsley North is a lapidary store in Michigan's U.P. They make a great cab machine and sell many other brands too. They hav …...more
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How to Hand Polish a Petoskey Stone
9.8KLikes
397,034Views
2019Feb 1
Learn how to hand polish a Petoskey stone without any expensive machinery. The Petoskey stone (Hexagonaria percarinata) is an approximately 360 million old fossilized coral. It is the state stone of Michigan. Petoskey stones are calcite which is very soft, approximately 3 on the Mohs scale. If you have a tumbler, you can save a lot of time by doing the first couple stages in the tumbler and then hand polishing to finish them up.    • How to Partially Tumble Petoskey Stones   Another video of me collecting Petoskey stones and pudding stones in Lake Huron:    • A Walk on the Beach   This is a good place to buy aluminum oxide polish: https://www.rockshed.com/rock-shop/ro... – MERCH – https://michigan-rocks.myspreadshop.com – FACEBOOK –   / michiganrocksrob   – INSTAGRAM –   / michiganrocksrob   – KINGSLEY NORTH – Kingsley North is a lapidary store in Michigan's U.P. They make a great cab machine and sell many other brands too. They have a huge selection rough rock, tumblers, grit, jewelry supplies etc. at good prices. I buy most of my coarse grit from here in 45 lb. bags. It's the best price I have found. If you buy using the following link, I make a small commission. http://bit.ly/3MerxdI This is the cabbing machine I use: https://kingsleynorth.com/kingsley-no... – THE ROCK SHED – I buy a lot of lapidary supplies from The Rock Shed. I don't make money from your purchases there, but they have good prices and good service. This is where I buy my finer grits and polish. http://rockshed.com – AMAZON STOREFRONT – I also have an Amazon storefront. This is where you can find other products you may have seen in my videos. As an Amazon Associate I earn from qualifying purchases. It doesn't cost you extra. http://www.amazon.com/shop/michiganrocks – SUBSCRIBE – On Michigan Rocks you can join me on relaxing rock hunts in picturesque Michigan. I'll also show you how to polish rocks and teach you other lapidary techniques. New videos are posted every Friday and some Tuesdays. Subscribe now so you don't miss any upcoming videos! http://www.youtube.com/c/MichiganRock...

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Michigan Rocks

402K subscribers