westerveldite
/ˈwɛstəvɛldʌɪt/Mineralogy
noun
An arsenic-containing mineral which occurs as microscopic brownish or silvery crystals typically forming inclusions in other minerals.
- Westerveldite is an arsenide of iron, nickel, and cobalt, (Fe,Ni,Co)As. Crystal system: orthorhombic..
Origin
1970s. From the name of Jan Westerveld, Dutch geologist + -ite.