woodwardite

woodwardite

[′wu̇d·wər‚dīt]
(mineralogy)
Cu4 Al2(SO4)(OH)12·2-4H2O A greenish-blue to turquoise blue mineral consisting of a hydrated basic sulfate of copper and aluminum; occurs as botryoidal concretions and in spherulitic form.
References in periodicals archive ?
David had helped collect the first samples, as well as those of other species new to science including artroeite, calcioaravaipaite and woodwardite. In 1995 David also made his first buying trip outside the U.S., to Namibia.
Relationship to other species: It is a member of the hydrotalcite group and closely related to woodwardite, honessite, glaucocerinite, hydrowoodwardite and zaccagnaite.
Name: For the relationship to woodwardite. Comments: IMA No.
The following information is given about the other occurrences: Gelbe Birke associated with woodwardite, schulenbergite, namuwite, brianyoungite, langite, linarite and others; St.