Ключевые слова: africa, agate, amazonite, amber, amethist, aquamarine, aventurine, beryl, bloodstone, blue, calcite, carnelian, catseye, chalcedony, charoite, chrysoprase, citrine, gemstones, goldstone, heliotrope, howlite, jade, jasper, kunzite, labrodorite, lapis, lazuli, lepidolite, moonstone, obsidian, opal, prehnite, quartz, rhodenite, rhodochrosite, rutile, sardonix, seraphinite, smoky, sodalite, south, sugilite, sunstone, tektite, tigerseye, topaz, tourmaline, turquoise, verdite, zoisite,