Item #MS-288: Ulexite (the "TV" stone) exhibits an unique fiber optic property. An image is projected through capillary fibers when one polished end is placed on print or pictures. When viewed from the side, you can see the fibers. Approx. 2" wide.
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Item #MS-289: Ulexite (the "TV" stone) exhibits an unique fiber optic property. An image is projected through capillary fibers when one polished end is placed on print or pictures. When viewed from the side, you can see the fibers. Approx. 2"-3" wide.
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Item #AM-OC-XTL-8: Approx. 1"-1.5” Optical Calcite Crystal (Brazil).
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