chloride magnesium chloride cobalt chloride manganese chloride ferric nickel, copper

azure azurite background black blue bright chloride cobalt collection color copper crystal desigh druse ferric gem gemstone geologic geology green jewel lapis lazulite lazurite macro magnesium manganese mine mineral mineralogy multicolor natural nature nickel object ore palette pattern precious resource rock semiprecious stone sulfate sulfur surface tectosilicate texture