Locality: Tepetate, Villa de Arriaga Municipality, San Luis Potosí, Mexico
Size: 29 mm x 27 mm x 15 mm (1.1 in. x 1.1 in. x 0.6 in.)
Weight: 9 g (0.3 oz.)
Well-formed, gemmy topaz crystals to 14 mm ranging in color from champagne to reddish brown. The later is caused by small rutile inclusions in some of the crystals. From a classic Mexican locality.