A small polishing kit perfect for teaching the first steps in polishing a rough stone. The colorful packaged kit includes: One rough tumbled Petoskey Stone, 220 grit and 600 grit, sandpaper, polish, leather pad and sanding board. Photos are representative only. Each piece is unique.*RESULTS MAY VARY *Petoskey Stone* This interesting stone is a variety of Calcite. It was formed by the fossilization of ancient coral, Hexagonaria. The coral lived in shallow waters and today's fossil often includes ancient silt and mud. Petoskey Stones are found on many beaches of Lake Michigan and Lake Huron, as well as in rock quarries from Traverse City to Alpena. The honeycomb patterned stone has a hardness from 4 to 5 and is the official Michigan State Stone. *Instructions colors may vary*Intended for ages 10+.Adult Supervision suggested for children under 9 years of age.
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