For Hematite we have terms and definitions in 7 topics. The topics are Anthromorphemics, Anthropology, Body Modification, Corrosion, Costume Jewelry, Metal and Planetary Science.

Hematite (Anthromorphemics)

A natural iron oxide which was used as a reddish pigment.

Hematite (Anthropology)

A natural iron oxide which was used as a reddish pigment.

Hematite (Body Modification)

A grayish blackish kind of stone. Many CBRs come with hematite beads.

Hematite (Corrosion)

(1) An iron mineral crystallizing in therhombohedral system; the most important oreof iron. (2) An iron oxide, Fe,O,, corrcsponding to an iron content of approximately 70%.

Hematite (Costume Jewelry)

A mineral (iron oxide) that has a dark steel grey color and a high luster. Hematite is a popular component of fashion jewelry and has a hardness of 5 ? to 6 ? on the mohs scale.

Hematite (Metal)

The oxide of iron of highest valency which has a composition close to the stoichiometric composition Fe2O3.

Hematite (Planetary Science)

An iron-oxide mineral (Fe2O3) that may be the cause of the red color on Mars. Courser-grained gray hematite has the same chemical formula as the red variety, but a different crystalline structure. The deposits of gray hematite found in the Terra Meridiani region of Mars may suggest that water once circulated through the region's rock layers.

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