plazolite
/ˈplazə(ʊ)lʌɪt/Mineralogy
noun
A calcium aluminosilicate mineral occurring as small colourless or pale yellow dodecahedral crystals with a vitreous lustre, formerly thought to be a distinct member of the garnet group, but now generally regarded as a variety of hibschite or hydrogrossular.
Origin
1920s. From ancient Greek πλάζειν to perplex + -o- + -lite.