28:6 place of sapphires. Note the many valuable metals and minerals mentioned in this chapter—silver and gold (Job 28:1), iron and copper (Job 28:2), sapphires (Job 28:6), onyx (Job 28:16), crystal (Job 28:17), coral, pearls and rubies (Job 28:18), and topaz (Job 28:19). Some authorities interpret the sapphires mentioned here to be lapis lazuli; the crystal is quartz.