hematite - meaning and definition. What is hematite
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What (who) is hematite - definition

COMPOSTO QUÍMICO
Hematite
  • Hematita

hematita         
sf (hêmato+ita3) Miner Sesquióxido de ferro natural, de cor vermelha ou parda, que ocorre em cristais romboédricos de aparência metálica, em forma maciça ou terrosa.
Hematita         
f.
Peróxido de ferro, de que há duas espécies: a hematita parda e a vermelha. Cf. Castilho, Fastos, II, 355.
(Do gr. haima, haimatos)
Hematite         
f.
Peróxido de ferro, de que há duas espécies: a hematita parda e a vermelha. Cf. Castilho, Fastos, II, 355.
(Do gr. haima, haimatos)

Wikipedia

Hematita

Hematita, cuja fórmula é Fe2O3, é um óxido de ferro de ocorrência frequente em solos e rochas. Seu nome provém do vocábulo grego αἷμα "haima" referente a "sangue", devido a sua cor.

Examples of use of hematite
1. Its red came from burnt hematite rock, crushed limestone formed the white and charcoal provided the black.
2. Scientists analyzed how acidic water moving through the layers after they were in place caused changes such as the formation of hematite–rich spherules within the rocks.
3. It was written on a cylindrical seal made of hematite, larger than usual finds from the Middle Bronze period (early second millennium B.C.) and contains a double cuneiform inscription in the Semitic Old Babylonian language.