hydrohetaerolite

hydrohetaerolite

[¦hī·drō·hə′tir·ə‚līt]
(mineralogy)
Zn2Mn4O8·H2O A dark brown to brownish-black mineral consisting of a hydrated oxide of zinc and manganese; occurs in massive form.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.