pyreneite
/ˌpɪrəˈniːʌɪt/ /ˌpɪrəˈneɪʌɪt/(also pyreneîte) Mineralogy
noun
A greyish-black garnet usually regarded as a variety of andradite.
Origin
Early 19th century; earliest use found in Andrew Ure (1778–1857), chemist. From German Pyreneit from †Pyreneen, variant of Pyrenäen, the name of the Pyrenees + -it.