We find one of the Earth's most dramatic mineral creations utilizing Iron is the Bronzite gemstone. Bronzite gemstones are the result of elements breaking down the gem crystals then more and more of the Magnesium is replaced by Iron, Hematite and Goethite (Iron derivatives). The final result is an opaque dark black, brown or greenish stone speckled and streaked with golden metallic patterns. A variety of locations worldwide yield Bronzite: India, Austria, South Africa, England, Labrador, Greenland, Norway, Sweden, and in several areas of the US.