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Volcanic activity. Try http://gsa.confex.com/gsa/2001AM/finalprogram/abstract_21743.htm and http://www.springerlink.com/content/r86810n0618t030r/ and http://www.galleries.com/minerals/oxides/hematite/hematite.htm and http://www.mindat.org/min-1856.html and wiki's own: http://en.wikipedia.org/wiki/Hematite.
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What objects are made with Hematite?
Hematite is a type of iron ore, if you grind it into a fine powder it makes the natural pigment ochre which is used by native people in southern and east Africa (mixed with fat) to adorn their bodies. Hematite can also be used to make a form of black shiny jewelery. == ==
Can hematite be formed by inorganic processes?
Yes, hematite can be formed by inorganic processes.
What group does hematite belong to?
Magnetite belongs to the spinel group of minerals
What are bauxite and hematite called since they produced useful materials?
Bauxite and hematite are called ores, since they both produce useful minerals.(Bauxite - Aluminum)(Hematite - Iron)
Is hematite a non silicate mineral?
Yes, Hematite is a non silicate mineral. It is part of the Oxides group.
What did the olmecs use hematite for?
Scientists think they made Mirrors out of Hematite.
What is the definition of hematite rosary beads?
Hematite is a mineral composed largely of iron. Hematite rosary beads would be beads made of hematite used for a rosary.
What is a Hematite ring?
A ring made of hematite. Hematite is the mineral form of iron and is a dark gray color, sometimes magnetic.
What is a magnetic ball made of?
hematite
Is Haematite made from calcium carbonate?
Hematite is not made from calcium carbonate.
What do hematite and human made brick have in common?
They both are very strong
Can solid be hematite or brick?
hematite
What did the olmecs make from hematite?
they made mirrours i think
Is Hematite a mineral?
Yes, hematite is a mineral.
What is the metal in hematite?
Hematite is an ore of iron.
What is Rainbow Hematite?
Hematite intermixed with Goethite is also known as Rainbow Hematite and is wonderfully iridescent.
What is the mineral hematite?
Hematite is a mineral of iron: Fe2O3.
