Gemstones is a 1000-piece puzzle. Of the approximately 4,000 discovered minerals, each with their own characteristic chemical composition, highly ordered atomic structure, and specific physical properties, 40 of the most well known are illustrated. These include gold, diamond, sulfur, copper, and quartz.
Finished Puzzle Size: 19.25" x 26.5"in.Strong high-quality puzzle pieces made from recycled board and printed with vegetable-based ink. Perfect for ages 6 and up.
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