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Duotone bay — asphalt brief on the left, yellow-folded service sheet on the right.
Composition: Amethyst is composed of silicon dioxide and forms in the trigonal crystal system
Quartz Sphere is a polished crystal ball carved from authentic quartz
Specimens are labeled to support identification skills
highlighting the natural color and pattern variations in the minerals
A natural science artifact that sparks curiosity and learning
Rock Tumbler Refill Pack: Agate Mix Online Only Composition: Amethyst is composed ofRock Tumbler Refill Pack lets kids continue their gem polishing adventure with a variety of agate stones and all the supplies needed to create polished gems and jewelry. Why youll love this: Includes 1 pound of agates to tumble Comes with 4 courses of polishing grit for professional looking results Includes 6 jewelry fastenings to make necklaces, bracelets, or other creations Encourages hands on learning about rocks, minerals, and the tumbling process
US$ 99.99
US$ 300.00
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US$ 499.50