Hemimorphite is a delicate gemstone. Hence, it should not be immersed in water or brushed for cleaning. Instead, polish it with a soft, dry cloth.
Silver jewelry should be stored in an airtight container with a soft lining. Cleaning with soap and water and buffing with a soft cloth will keep your silver shiny as new. Avoid exposure of your silver jewelry to abrasive cleansers and bleach, which may cause discoloration.