Ключевые слова: amber, black, brimstone, citrine, citrinus, collection, crude, crystal, cutout, display, exgibit, fluorite, gemology, gems, gemstone, glass, glassy, golden, honey, isolated, jewel, jewelry, material, mineral, mineralogy, mining, mountain, museum, natural, object, pebble, piece, podium, precious, quartz, raw, rock, rough, science, silica, stone, succinite, sulfur, table, transparent, uncut, yellow,