symplesite
noun
sym·ple·site
ˈsimpləˌsīt
plural -s
: a mineral Fe2(AsO4)3.8H2O consisting of a hydrous iron arsenate and occurring in small blue to bluish-green monoclinic crystals and in radiated aggregates (hardness 2.5, specific gravity 3)
Word History
Etymology
German symplesit, from Greek syn- + plēsiazein to bring near, come near, associate with (from plēsios near) + German -it -ite; from its being found in association with other minerals