Patina--vinegar (white or apple cider) and salt. For small items, fill a quart yogurt container half full of vinegar, and sprinkle in about 1 tsp salt. Add any metal you want to 'age'. Seal if you touch items a lot
colored pencil on rocks! (looks like dichroic glass!) SBG thinks you can spray on waterproof sealer and spot them into strategic places in the garden or among potted succulents. Thomas since you love you some colored pencil. and garden.