লৌহ আকরিক প্রধান ফর্ম; অচ্ছ আকারে ফেরিক অক্সাইড রয়েছে; একটি লাল পার্থিব আকারে দেখা দেয়

Noun:

মূল্যবান্ আকরিক লৌহবিশেষ,

hematite's Usage Examples:

4% Fe), hematite (Fe 2O 3, 69.

Limonite is one of the three principal iron ores, the others being hematite and magnetite, and has been mined for the production of iron since at least.

crystalline hematite.

On Earth, hematite is often formed in hot springs or in standing pools of water; therefore, many scientists believe that the hematite at.

hue in false-color images released by NASA) are the abundant spherical hematite inclusions discovered by the Mars rover Opportunity at Meridiani Planum.

crystalline hematite on the floor of Aram Chaos and CRISM, the spectroscope on the MRO, found hydrated sulfates, jarosite, and hematite.

parallel to the c axis of hematite, and the c axis of rutile being parallel to one of the axes of hematite.

Another example is hematite Fe3+ 2O 3 on magnetite.

The community was named for nearby deposits of hematite.

an examination by the Mars Exploration Rover Spirit on June 25, 2004, hematite was first detected by Spirit, suggesting a watery past on Mars.

Psilomelane is erroneously, and uncommonly, known as black hematite, despite not being related to true hematite, which is an iron oxide.

that are rich in a hydrated mineral that is most likely gypsum as well as hematite.

npOx minerals have not been fully constrained, but nanocrystalline red hematite (α-Fe2O3) may be the volumetrically dominant one, at least at the less.

As the mineral known as hematite, Fe2O3 is the main source of iron for the steel industry.

reaction: 2FeOOH (goethite)→ Fe2O3 (hematite) +H2O The Gibbs free energy (G) for the reaction goethite → hematite (at 250 °C) is −2.

A variant of ochre containing a large amount of hematite, or dehydrated iron oxide, has a reddish tint known as "red ochre" (or.

hematite's Meaning':

the principal form of iron ore; consists of ferric oxide in crystalline form; occurs in a red earthy form