rooseveltite

rooseveltite

[′rōz·vəl‚tīt]
(mineralogy)
BiAsO4 A gray mineral consisting of bismuth arsenate; occurs as thin botryoidal crusts.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
He discovered several other new minerals in Bolivia including ahlfeldite (below), herzenbergite, rooseveltite, hochschildite and souxite, although the latter two are not currently accepted by the IMA as valid species.
Occurrence: Associated minerals are: quartz, nickeline, bismuth, bunsenite, aerugite, xanthiosite, rooseveltite and two probably new arsenate minerals.
Occurrence: At the type locality, the mineral occurs on quartz and associated minerals are: Ba-bearing alumopharmacosiderite, barium-pharmacosiderite, arseniosiderite, zeunerite, olivenite, rooseveltite, Co-bearing mawbyite, Co-dominant tsumcorite, waylandite and scorodite.
He discovered several new species in Bolivia (including rooseveltite), but some of them described purely in chemical terms were later discredited.