Item #AM-GYP-300: Our Colorless, transparent Gypsum specimen measures 9” X 6 ½” X 1 ½” and comes with a wooden stand.
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Item #AM-PTF-100: Our 6 1/2" x 6" polished Petrified Tree Fern slice comes from Tocantins, Brazil. Mineral replacement of the tree fern reveals the growth patterns in striking colors.
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