Hematite Mineral Data – Mineralogy Database

General Hematite Information : Chemical Formula: Fe2O3 : Composition: Molecular Weight = 159.69 gm Iron 69.94 % Fe 100.00 % Fe 2 O 3 Oxygen 30.06 % O

Hematite – Wikipedia, the free encyclopedia

Chemical formula: iron(III) oxide, Fe 2 O 3, α-Fe 2 O 3: Strunz classification: 04.CB.05 … The magnetic structure of a-hematite was the subject of considerable discussion and debate …

University of Wisconsin – Composition of Stars and Planets – MINERALS

CHEMICALS (AND MINERALS) ARE CLASSIFIED BY THEIR ANIONS. Minerals are the Chemicals that make up the Earth. Metallic Bonding is the basis of our industrial civilization. Thus water is the principal heat reservoir on the Earth. It is the closest thing to a universal solvent.

Limonite – Wikipedia, the free encyclopedia

In its brown form it is sometimes called brown hematite … may show a fibrous or microcrystalline structure, and … This means that chemical weathering transforms the …

Hematite: The iron mineral Hematite information and pictures

Chemical Formula: Fe 2 O 3: Composition: Iron oxide. May contain slight amounts of titanium. … In the U.S., enormous Hematite deposits exists throughout the western …

Chemical Properties of Minerals – The Mineral and Gemstone …

A Hematite molecule has 2 iron (Fe) atoms and 3 oxygen (O) atoms. If … composition with an inconsistent amount of water in its structure, thus its chemical …

HEMATITE Magnetic hematite. Plus hundreds of other minerals and crystals from around the world. HEMATITE Chemical Composition: Hematite is composed of iron …

Magnetic hematite. Plus hundreds of other minerals and crystals from around the world. HEMATITE Chemical Composition: Hematite is composed of iron …

Hematite: Hematite mineral information and data.

Penetration twins on {0001}, or with {10 1 0} as a composition plane … Comments: O = brownish red E = yellowish red: Chemical Properties of Hematite

Hematite – Minerals and Molecules Project

… siderite, and pyrite, and is precipitated in seas and lakes by chemical or … E. Hessevick, T. Zoltai, and L.W. Finger. 1966. Refinement of the hematite structure.

Physical and Chemical Properties of Stones

Agates are identical in chemical structure to jasper, flint, chert, bloodstone, and … It owes its color to admixed hematite, but when it occurs with clay admixed …

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