iron mineral data

Nickel-iron: Nickel-iron mineral information and data. - Mindat.org

Dana 7 gave this species name to the series of face centred cubic nickel iron alloys with an iron content ranging from 0 to 75%. It encompassed the high nickel...

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Hematite: Hematite mineral information and data. - Mindat.org

Hematite Group . The iron analogue of Corundum , Eskolaite , and Karelianite . Hematite is rather variable in its appearence - it can be in reddish brown,...

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USGS Mineral Commodity Summaries 2015

Jan 30, 2015 ... Iron Ore. Rare Earths. Vanadium. Chromium. Iron Oxide Pigments. Rhenium ..... furnish estimates covering nonfuel mineral industry data. Data...

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Iron: Iron mineral information and data. - Mindat.org

... of the earth's core. Visit gemdat.org for gemological information about Iron. ... Physical Properties of Iron. Lustre: ... Related Minerals - Nickel-Strunz Grouping):...

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Iron Mineral Data

Comments: Specimen of volcanic rock containing dark gray grains of native Iron. This locality is one of the very few known localities for terrestrial native iron.

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Mineral Properties, Uses and Descriptions - Geology.com

Descriptions, properties and uses for 80 different minerals - Geology.com. ... Hematite - the most important source of iron ore and mineral pigment since...

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Magnetite Mineral Data

Name Origin: Named for Magnes, a Geek shepherd, who discovered the mineral on Mt, Ida, He noted that the nails of his shoe and the iron ferrule of his staff...

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Ilmenite - Wikipedia

Optical properties, Uniaxial (). Birefringence, Strong; O = pinkish brown, E = dark brown (bireflectance). Other characteristics, weakly magnetic. References. Crystal structure of ilmenite. Ilmenite is the titanium-iron oxide mineral with the idealized formula FeTiO 3. It is a weakly...

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Handbook of Mineralogy

replacements of other minerals, massive; a component of microspherules, which may be hollow; may contain exsolved iron or magnetite. Physical Properties:.

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Amethyst: Amethyst mineral information and data. - Mindat.org

A violet to purple variety of quartz that owes its color to gamma irradiation (Berthelot, 1906) and the presence of traces of iron built into its crystal lattice (Holden,...

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