Hematite JewelryWhere the name comes from: Greek haima - blood, the mineral can be red.
Where the stones come from: Hematite is a very common mineral found world-wide, however notable sources are Brazil and Minnesota USA.
Chemistry: Iron oxide, Fe2O3
Colors: Very variable in appearance, red through reddish-brown to silver grey, grey and black.
...and another thing: Most hematite used in jewelry is not usually a natural material and is artificially created.