Rammelsbergite, a nickel arsenide mineral, is named after him.
2.
"' Rammelsbergite "'is a nickel arsenide mineral with formula NiAs 2.
3.
More than fifty percent iron makes the mineral loellingite whereas more than fifty percent nickel and the mineral is rammelsbergite.
4.
However, a re-analysis of the material in 1971 found the keweenite to be a mixture of the copper and nickel arsenates : ?-domeykite, niccolite and rammelsbergite.
5.
Depending on the locality it is found accompanied by arsenic, tennantite, proustite, chalcopyrite, galenite, and baryte ( in the type locality ); by kutinaite and paxite ( in Nieder-Beerbach ); or by asenic, bismut, tennantite, loellingite, rammelsbergite, proustite, and quartz ( in Sainte-Marie-aux-Mines ).
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