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Garnierite. Garnierite is a general name for a green nickel ore which is found in pockets and veins within weathered and serpentinized ultramafic rocks. It forms by lateritic weathering of ultramafic rocks and occurs in many nickel laterite deposits in the world. It is an important nickel ore, having a large weight percent NiO.
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Annabergite has been known since the 18th century, although type localities were not published along initial descriptions. The first report of Annabergite by Axel Fredrik Cronstedt from 1758 erroneously identifies it as a nickel oxide mineral and assigned it the latinized name Ochra niccoli, while Wallerius gave it the name nickel bloom in 1778.
Lateritic nickel ores formed by intensive tropical weathering of olivine-rich ultramafic rocks such as dunite, peridotite and komatiite and their serpentinized derivatives, serpentinite which consist largely of the magnesium silicate serpentine and contains approx. 0.3% nickel.
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Until 1866 he traveled the island and discovered a new green nickel ore, having a large weight percent of nickel oxide, [4] which was named garnierite in his honor by his peers. [5] [6] [7] This discovery was formalized at the Paris Academy of Sciences in 1876. He also undertook missions in Canada . He received the Legion of Honor at the age of ...