Hawaiian minerals, amethyst, aragonite, celestite, faceted gemstones, fine jewelry, fossils, opals, topaz — these and more lovelies will be on display and/or for sale at the Rock and Mineral Show, from 11 a.m. to 7 p.m. today and tomorrow at the Outrigger Waikiki on the Beach Hotel, 2335 Kalakaua Ave.

Admission is free. It's presented by the Rock and Mineral Society of Hawaii (Hui Pohaku 'O Hawai'i), a nonprofit educational organization. 239-5958, 956-2452.