<prompt> Translate the following text to EnglishMawe ya thamani na nusu ya thamani, ikiwa ni pamoja na topazi, lapis lazuli, na aquamarine, yanaweza kununuliwa kwa uhuru au kuwekwa katika pete, mkufu, bangili, au brooches.  <response>: Precious stones and semi-precious stones including topaz, lapis lazuli, and aquamarine, can be bought loose or set in rings, necklaces, bracelets, or brooches. 